Q: What is the sum of all factors of the number 394,780 excluding 394,780?
A: 434,300
The factors of the number 394,780 are: 1, 2, 4, 5, 10, 20, 19739, 39478, 78956, 98695, 197390, 394780.
If you add them up, you will get the total of 395,214. Now subtract 394,780 to get 434,300