Q: What is the sum of all factors of the number 420,653,418 excluding 420,653,418?

 A: 421,094,742

Why is 421,094,742 the sum of all factors of 420,653,418, excluding 420,653,418?

The factors of the number 420,653,418 are: 1, 2, 3, 6, 2017, 4034, 6051, 12102, 34759, 69518, 104277, 208554, 70108903, 140217806, 210326709, 420653418.

If you add them up, you will get the total of 420,653,839. Now subtract 420,653,418 to get 421,094,742


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