Q: What is the sum of all factors of the number 312,680 excluding 312,680?
A: 390,940
The factors of the number 312,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 7817, 15634, 31268, 39085, 62536, 78170, 156340, 312680.
If you add them up, you will get the total of 313,070. Now subtract 312,680 to get 390,940