Q: What is the sum of all factors of the number 204,020,440 excluding 204,020,440?

A: 290,338,040

Why is 290,338,040 the sum of all factors of 204,020,440, excluding 204,020,440?

The factors of the number 204,020,440 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 392347, 784694, 1569388, 1961735, 3138776, 3923470, 5100511, 7846940, 10201022, 15693880, 20402044, 25502555, 40804088, 51005110, 102010220, 204020440.

If you add them up, you will get the total of 204,020,730. Now subtract 204,020,440 to get 290,338,040