677 B
677 B
id | title | challengeType | forumTopicId |
---|---|---|---|
5900f4e81000cf542c50fffa | Problem 379: Least common multiple count | 5 | 302041 |
--description--
Let f(n) be the number of couples (x,y) with x and y positive integers, x ≤ y and the least common multiple of x and y equal to n.
Let g be the summatory function of f, i.e.: g(n) = ∑ f(i) for 1 ≤ i ≤ n.
You are given that g(106) = 37429395.
Find g(1012).
--hints--
euler379()
should return 132314136838185.
assert.strictEqual(euler379(), 132314136838185);
--seed--
--seed-contents--
function euler379() {
return true;
}
euler379();
--solutions--
// solution required