Q: What is the sum of all factors of the number 72,909,004 excluding 72,909,004?

A: 81,008,900

Why is 81,008,900 the sum of all factors of 72,909,004, excluding 72,909,004?

The factors of the number 72,909,004 are: 1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 7213, 10108, 14426, 28852, 50491, 100982, 137047, 201964, 274094, 548188, 959329, 1918658, 2603893, 3837316, 5207786, 10415572, 18227251, 36454502, 72909004.

If you add them up, you will get the total of 72,909,085. Now subtract 72,909,004 to get 81,008,900