Q: What is the sum of all factors of the number 428,920 excluding 428,920?
A: 536,240
The factors of the number 428,920 are: 1, 2, 4, 5, 8, 10, 20, 40, 10723, 21446, 42892, 53615, 85784, 107230, 214460, 428920.
If you add them up, you will get the total of 429,456. Now subtract 428,920 to get 536,240