Q: What is the sum of all factors of the number 678,770 excluding 678,770?
A: 556,750
The factors of the number 678,770 are: 1, 2, 5, 10, 103, 206, 515, 659, 1030, 1318, 3295, 6590, 67877, 135754, 339385, 678770.
If you add them up, you will get the total of 679,326. Now subtract 678,770 to get 556,750