Q: What is the sum of all factors of the number 320,404,300 excluding 320,404,300?

A: 384,413,436

Why is 384,413,436 the sum of all factors of 320,404,300, excluding 320,404,300?

The factors of the number 320,404,300 are: 1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3650, 7300, 43891, 87782, 175564, 219455, 438910, 877820, 1097275, 2194550, 3204043, 4389100, 6408086, 12816172, 16020215, 32040430, 64080860, 80101075, 160202150, 320404300.

If you add them up, you will get the total of 320,404,684. Now subtract 320,404,300 to get 384,413,436