freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-439-sum-of-sum-of-divisors.chinese.md

---
id: 5900f5231000cf542c510035
challengeType: 5
title: 'Problem 439: Sum of sum of divisors'
videoUrl: ''
localeTitle: ''
---

## Description
undefined

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: 'assert.strictEqual(euler439(), 968697378, "<code>euler439()</code> should return 968697378.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function euler439() {
  // Good luck!
  return true;
}

euler439();

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>