Q: What is the sum of all factors of the number 420,225,640 excluding 420,225,640?

A: 566,393,240

Why is 566,393,240 the sum of all factors of 420,225,640, excluding 420,225,640?

The factors of the number 420,225,640 are: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 456767, 913534, 1827068, 2283835, 3654136, 4567670, 9135340, 10505641, 18270680, 21011282, 42022564, 52528205, 84045128, 105056410, 210112820, 420225640.

If you add them up, you will get the total of 420,226,206. Now subtract 420,225,640 to get 566,393,240