Q: What is the sum of all factors of the number 147,900 excluding 147,900?

A: 320,820

Why is 320,820 the sum of all factors of 147,900, excluding 147,900?

The factors of the number 147,900 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 29, 30, 34, 50, 51, 58, 60, 68, 75, 85, 87, 100, 102, 116, 145, 150, 170, 174, 204, 255, 290, 300, 340, 348, 425, 435, 493, 510, 580, 725, 850, 870, 986, 1020, 1275, 1450, 1479, 1700, 1740, 1972, 2175, 2465, 2550, 2900, 2958, 4350, 4930, 5100, 5916, 7395, 8700, 9860, 12325, 14790, 24650, 29580, 36975, 49300, 73950, 147900.

If you add them up, you will get the total of 148,220. Now subtract 147,900 to get 320,820