Q: What is the sum of all factors of the number 400,135,256 excluding 400,135,256?

A: 406,125,784

Why is 406,125,784 the sum of all factors of 400,135,256, excluding 400,135,256?

The factors of the number 400,135,256 are: 1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 9112, 43913, 87826, 175652, 351304, 746521, 1493042, 2942171, 2986084, 5884342, 5972168, 11768684, 23537368, 50016907, 100033814, 200067628, 400135256.

If you add them up, you will get the total of 400,135,662. Now subtract 400,135,256 to get 406,125,784