66 lines
943 B
Markdown
66 lines
943 B
Markdown
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---
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id: 5900f5191000cf542c51002c
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challengeType: 5
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videoUrl: ''
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localeTitle: 问题429：单一除数的平方和
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---
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## Description
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<section id="description">
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数为n的unit除数d是n的除数，其性质为gcd（d，n / d）= 1。
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4的除数！ = 24是1、3、8和24。
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它们的平方和是12 + 32 + 82 + 242 = 650。
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令S（n）表示n的一元除数的平方和。 因此，S（4！）＝ 650。
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求S（100000000！）取模1000000009。
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</section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler429()</code>应该返回98792821。
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testString: assert.strictEqual(euler429(), 98792821);
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler429() {
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// Good luck!
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return true;
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}
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euler429();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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/section>
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