Q: What is the sum of all factors of the number 628,780 excluding 628,780?
A: 706,820
The factors of the number 628,780 are: 1, 2, 4, 5, 10, 20, 149, 211, 298, 422, 596, 745, 844, 1055, 1490, 2110, 2980, 4220, 31439, 62878, 125756, 157195, 314390, 628780.
If you add them up, you will get the total of 629,486. Now subtract 628,780 to get 706,820