Q: What is the sum of all factors of the number 90,440 excluding 90,440?

A: 168,760

Why is 168,760 the sum of all factors of 90,440, excluding 90,440?

The factors of the number 90,440 are: 1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2380, 2584, 2660, 3230, 4522, 4760, 5320, 6460, 9044, 11305, 12920, 18088, 22610, 45220, 90440.

If you add them up, you will get the total of 90,608. Now subtract 90,440 to get 168,760