Q: What is the sum of all factors of the number 117,720 including 117,720?

A: 396,000

Why is 396,000 the sum of all factors of 117,720, including 117,720?

The factors of the number 117,720 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 109, 120, 135, 180, 216, 218, 270, 327, 360, 436, 540, 545, 654, 872, 981, 1080, 1090, 1308, 1635, 1962, 2180, 2616, 2943, 3270, 3924, 4360, 4905, 5886, 6540, 7848, 9810, 11772, 13080, 14715, 19620, 23544, 29430, 39240, 58860, 117720.

If you add them up, you will get the total of 396,000.