Q: What is the sum of all factors of the number 290,872 excluding 290,872?
A: 261,368
The factors of the number 290,872 are: 1, 2, 4, 8, 103, 206, 353, 412, 706, 824, 1412, 2824, 36359, 72718, 145436, 290872.
If you add them up, you will get the total of 291,133. Now subtract 290,872 to get 261,368