Q: What is the sum of all factors of the number 2,123,380 excluding 2,123,380?

A: 3,158,540

Why is 3,158,540 the sum of all factors of 2,123,380, excluding 2,123,380?

The factors of the number 2,123,380 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 523, 580, 812, 1015, 1046, 2030, 2092, 2615, 3661, 4060, 5230, 7322, 10460, 14644, 15167, 18305, 30334, 36610, 60668, 73220, 75835, 106169, 151670, 212338, 303340, 424676, 530845, 1061690, 2123380.

If you add them up, you will get the total of 2,123,383. Now subtract 2,123,380 to get 3,158,540