Q: What is the sum of all factors of the number 451,505,420 excluding 451,505,420?

A: 508,312,180

Why is 508,312,180 the sum of all factors of 451,505,420, excluding 451,505,420?

The factors of the number 451,505,420 are: 1, 2, 4, 5, 10, 20, 137, 274, 367, 449, 548, 685, 734, 898, 1370, 1468, 1796, 1835, 2245, 2740, 3670, 4490, 7340, 8980, 50279, 61513, 100558, 123026, 164783, 201116, 246052, 251395, 307565, 329566, 502790, 615130, 659132, 823915, 1005580, 1230260, 1647830, 3295660, 22575271, 45150542, 90301084, 112876355, 225752710, 451505420.

If you add them up, you will get the total of 451,505,928. Now subtract 451,505,420 to get 508,312,180