Q: What is the sum of all factors of the number 684,680 excluding 684,680?
A: 855,940
The factors of the number 684,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 17117, 34234, 68468, 85585, 136936, 171170, 342340, 684680.
If you add them up, you will get the total of 685,535. Now subtract 684,680 to get 855,940