Q: What is the sum of all factors of the number 249,878 excluding 249,878?
A: 128,890
The factors of the number 249,878 are: 1, 2, 103, 206, 1213, 2426, 124939, 249878.
If you add them up, you will get the total of 250,006. Now subtract 249,878 to get 128,890