Q: What is the sum of all factors of the number 247,020 excluding 247,020?

A: 478,740

Why is 478,740 the sum of all factors of 247,020, excluding 247,020?

The factors of the number 247,020 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 179, 230, 276, 345, 358, 460, 537, 690, 716, 895, 1074, 1380, 1790, 2148, 2685, 3580, 4117, 5370, 8234, 10740, 12351, 16468, 20585, 24702, 41170, 49404, 61755, 82340, 123510, 247020.

If you add them up, you will get the total of 247,498. Now subtract 247,020 to get 478,740