Q: What is the sum of all factors of the number 209,912 excluding 209,912?
A: 204,688
The factors of the number 209,912 are: 1, 2, 4, 8, 19, 38, 76, 152, 1381, 2762, 5524, 11048, 26239, 52478, 104956, 209912.
If you add them up, you will get the total of 210,116. Now subtract 209,912 to get 204,688