Q: What is the sum of all factors of the number 663,800 excluding 663,800?
A: 880,000
The factors of the number 663,800 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 3319, 6638, 13276, 16595, 26552, 33190, 66380, 82975, 132760, 165950, 331900, 663800.
If you add them up, you will get the total of 664,680. Now subtract 663,800 to get 880,000