Q: What is the sum of all factors of the number 645,745 excluding 645,745?
A: 194,063
The factors of the number 645,745 are: 1, 5, 17, 71, 85, 107, 355, 535, 1207, 1819, 6035, 7597, 9095, 37985, 129149, 645745.
If you add them up, you will get the total of 645,939. Now subtract 645,745 to get 194,063