Q: What is the sum of all factors of the number 231,431,030 excluding 231,431,030?

A: 211,930,570

Why is 211,930,570 the sum of all factors of 231,431,030, excluding 231,431,030?

The factors of the number 231,431,030 are: 1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 3383, 6766, 6841, 13682, 16915, 33830, 34205, 68410, 116297, 232594, 581485, 1162970, 1361359, 2722718, 6806795, 13613590, 23143103, 46286206, 115715515, 231431030.

If you add them up, you will get the total of 231,431,241. Now subtract 231,431,030 to get 211,930,570