Q: What is the sum of all factors of the number 256,425 excluding 256,425?
A: 201,879
The factors of the number 256,425 are: 1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 263, 325, 789, 975, 1315, 3419, 3945, 6575, 10257, 17095, 19725, 51285, 85475, 256425.
If you add them up, you will get the total of 256,626. Now subtract 256,425 to get 201,879