Q: What is the sum of all factors of the number 451,260 excluding 451,260?

A: 990,180

Why is 990,180 the sum of all factors of 451,260, excluding 451,260?

The factors of the number 451,260 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 109, 115, 138, 180, 207, 218, 230, 276, 327, 345, 414, 436, 460, 545, 654, 690, 828, 981, 1035, 1090, 1308, 1380, 1635, 1962, 2070, 2180, 2507, 3270, 3924, 4140, 4905, 5014, 6540, 7521, 9810, 10028, 12535, 15042, 19620, 22563, 25070, 30084, 37605, 45126, 50140, 75210, 90252, 112815, 150420, 225630, 451260.

If you add them up, you will get the total of 452,250. Now subtract 451,260 to get 990,180