Q: What is the sum of all factors of the number 61,900 excluding 61,900?
A: 72,640
The factors of the number 61,900 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 619, 1238, 2476, 3095, 6190, 12380, 15475, 30950, 61900.
If you add them up, you will get the total of 61,972. Now subtract 61,900 to get 72,640