Q: What is the sum of all factors of the number 747,980 excluding 747,980?
A: 839,620
The factors of the number 747,980 are: 1, 2, 4, 5, 10, 20, 149, 251, 298, 502, 596, 745, 1004, 1255, 1490, 2510, 2980, 5020, 37399, 74798, 149596, 186995, 373990, 747980.
If you add them up, you will get the total of 748,819. Now subtract 747,980 to get 839,620