Q: What is the sum of all factors of the number 259,880 excluding 259,880?
A: 339,520
The factors of the number 259,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 73, 89, 146, 178, 292, 356, 365, 445, 584, 712, 730, 890, 1460, 1780, 2920, 3560, 6497, 12994, 25988, 32485, 51976, 64970, 129940, 259880.
If you add them up, you will get the total of 260,219. Now subtract 259,880 to get 339,520