Q: What is the sum of all factors of the number 7,700 excluding 7,700?
A: 13,132
The factors of the number 7,700 are: 1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700.
If you add them up, you will get the total of 7,713. Now subtract 7,700 to get 13,132