Q: What is the sum of all factors of the number 657,715,020 excluding 657,715,020?

A: 1,280,816,820

Why is 1,280,816,820 the sum of all factors of 657,715,020, excluding 657,715,020?

The factors of the number 657,715,020 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 576943, 1153886, 1730829, 2307772, 2884715, 3461658, 5769430, 6923316, 8654145, 10961917, 11538860, 17308290, 21923834, 32885751, 34616580, 43847668, 54809585, 65771502, 109619170, 131543004, 164428755, 219238340, 328857510, 657715020.

If you add them up, you will get the total of 657,715,021. Now subtract 657,715,020 to get 1,280,816,820