Q: What is the sum of all factors of the number 166,555,100 excluding 166,555,100?

A: 196,421,668

Why is 196,421,668 the sum of all factors of 166,555,100, excluding 166,555,100?

The factors of the number 166,555,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 964, 1205, 2410, 4820, 6025, 6911, 12050, 13822, 24100, 27644, 34555, 69110, 138220, 172775, 345550, 691100, 1665551, 3331102, 6662204, 8327755, 16655510, 33311020, 41638775, 83277550, 166555100.

If you add them up, you will get the total of 166,555,296. Now subtract 166,555,100 to get 196,421,668