Q: What is the sum of all factors of the number 255,530,505 excluding 255,530,505?

A: 160,472,823

Why is 160,472,823 the sum of all factors of 255,530,505, excluding 255,530,505?

The factors of the number 255,530,505 are: 1, 3, 5, 15, 101, 151, 303, 453, 505, 755, 1117, 1515, 2265, 3351, 5585, 15251, 16755, 45753, 76255, 112817, 168667, 228765, 338451, 506001, 564085, 843335, 1692255, 2530005, 17035367, 51106101, 85176835, 255530505.

If you add them up, you will get the total of 255,530,665. Now subtract 255,530,505 to get 160,472,823