Q: What is the sum of all factors of the number 120,321,330 excluding 120,321,330?

A: 170,373,198

Why is 170,373,198 the sum of all factors of 120,321,330, excluding 120,321,330?

The factors of the number 120,321,330 are: 1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 26561, 53122, 79683, 132805, 159366, 265610, 398415, 796830, 4010711, 8021422, 12032133, 20053555, 24064266, 40107110, 60160665, 120321330.

If you add them up, you will get the total of 120,321,500. Now subtract 120,321,330 to get 170,373,198