Q: What is the sum of all factors of the number 409,072 excluding 409,072?
A: 406,104
The factors of the number 409,072 are: 1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 691, 1382, 2764, 5528, 11056, 25567, 51134, 102268, 204536, 409072.
If you add them up, you will get the total of 409,478. Now subtract 409,072 to get 406,104