Q: What is the sum of all factors of the number 331,400,220 excluding 331,400,220?

A: 598,123,620

Why is 598,123,620 the sum of all factors of 331,400,220, excluding 331,400,220?

The factors of the number 331,400,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 619, 1238, 1857, 2476, 3095, 3714, 6190, 7428, 8923, 9285, 12380, 17846, 18570, 26769, 35692, 37140, 44615, 53538, 89230, 107076, 133845, 178460, 267690, 535380, 5523337, 11046674, 16570011, 22093348, 27616685, 33140022, 55233370, 66280044, 82850055, 110466740, 165700110, 331400220.

If you add them up, you will get the total of 331,400,818. Now subtract 331,400,220 to get 598,123,620