Q: What is the sum of all factors of the number 825,688,630 excluding 825,688,630?

A: 779,551,370

Why is 779,551,370 the sum of all factors of 825,688,630, excluding 825,688,630?

The factors of the number 825,688,630 are: 1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 3490, 4537, 9074, 18199, 22685, 36398, 45370, 90995, 181990, 236587, 473174, 1182935, 2365870, 6351451, 12702902, 31757255, 63514510, 82568863, 165137726, 412844315, 825688630.

If you add them up, you will get the total of 825,689,409. Now subtract 825,688,630 to get 779,551,370