Q: What is the sum of all factors of the number 640,852 excluding 640,852?
A: 490,124
The factors of the number 640,852 are: 1, 2, 4, 131, 262, 524, 1223, 2446, 4892, 160213, 320426, 640852.
If you add them up, you will get the total of 641,342. Now subtract 640,852 to get 490,124