Q: What is the sum of all factors of the number 640,274 excluding 640,274?
A: 396,526
The factors of the number 640,274 are: 1, 2, 23, 31, 46, 62, 449, 713, 898, 1426, 10327, 13919, 20654, 27838, 320137, 640274.
If you add them up, you will get the total of 640,670. Now subtract 640,274 to get 396,526