Q: What is the sum of all factors of the number 231,616,520 excluding 231,616,520?

A: 290,135,800

Why is 290,135,800 the sum of all factors of 231,616,520, excluding 231,616,520?

The factors of the number 231,616,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 5843, 7928, 9910, 11686, 19820, 23372, 29215, 39640, 46744, 58430, 116860, 233720, 5790413, 11580826, 23161652, 28952065, 46323304, 57904130, 115808260, 231616520.

If you add them up, you will get the total of 231,616,810. Now subtract 231,616,520 to get 290,135,800