Q: What is the sum of all factors of the number 287,128 excluding 287,128?
A: 279,872
The factors of the number 287,128 are: 1, 2, 4, 8, 19, 38, 76, 152, 1889, 3778, 7556, 15112, 35891, 71782, 143564, 287128.
If you add them up, you will get the total of 287,407. Now subtract 287,128 to get 279,872