Q: What is the sum of all factors of the number 326,455,020 excluding 326,455,020?

A: 663,792,420

Why is 663,792,420 the sum of all factors of 326,455,020, excluding 326,455,020?

The factors of the number 326,455,020 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1813639, 3627278, 5440917, 7254556, 9068195, 10881834, 16322751, 18136390, 21763668, 27204585, 32645502, 36272780, 54409170, 65291004, 81613755, 108818340, 163227510, 326455020.

If you add them up, you will get the total of 326,455,683. Now subtract 326,455,020 to get 663,792,420