Q: What is the sum of all factors of the number 283,780 excluding 283,780?
A: 397,628
The factors of the number 283,780 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2027, 4054, 8108, 10135, 14189, 20270, 28378, 40540, 56756, 70945, 141890, 283780.
If you add them up, you will get the total of 284,177. Now subtract 283,780 to get 397,628