Q: What is the sum of all factors of the number 320,385 excluding 320,385?
A: 260,223
The factors of the number 320,385 are: 1, 3, 5, 13, 15, 31, 39, 53, 65, 93, 155, 159, 195, 265, 403, 465, 689, 795, 1209, 1643, 2015, 2067, 3445, 4929, 6045, 8215, 10335, 21359, 24645, 64077, 106795, 320385.
If you add them up, you will get the total of 320,645. Now subtract 320,385 to get 260,223