Q: What is the sum of all factors of the number 261,600 excluding 261,600?

A: 597,720

Why is 597,720 the sum of all factors of 261,600, excluding 261,600?

The factors of the number 261,600 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 109, 120, 150, 160, 200, 218, 240, 300, 327, 400, 436, 480, 545, 600, 654, 800, 872, 1090, 1200, 1308, 1635, 1744, 2180, 2400, 2616, 2725, 3270, 3488, 4360, 5232, 5450, 6540, 8175, 8720, 10464, 10900, 13080, 16350, 17440, 21800, 26160, 32700, 43600, 52320, 65400, 87200, 130800, 261600.

If you add them up, you will get the total of 262,197. Now subtract 261,600 to get 597,720