Q: What is the sum of all factors of the number 316,440 excluding 316,440?

A: 741,960

Why is 741,960 the sum of all factors of 316,440, excluding 316,440?

The factors of the number 316,440 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 293, 360, 540, 586, 879, 1080, 1172, 1465, 1758, 2344, 2637, 2930, 3516, 4395, 5274, 5860, 7032, 7911, 8790, 10548, 11720, 13185, 15822, 17580, 21096, 26370, 31644, 35160, 39555, 52740, 63288, 79110, 105480, 158220, 316440.

If you add them up, you will get the total of 317,181. Now subtract 316,440 to get 741,960