Q: What is the sum of all factors of the number 1,642,620 excluding 1,642,620?

A: 3,615,108

Why is 3,615,108 the sum of all factors of 1,642,620, excluding 1,642,620?

The factors of the number 1,642,620 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3911, 7822, 11733, 15644, 19555, 23466, 27377, 39110, 46932, 54754, 58665, 78220, 82131, 109508, 117330, 136885, 164262, 234660, 273770, 328524, 410655, 547540, 821310, 1642620.

If you add them up, you will get the total of 1,642,623. Now subtract 1,642,620 to get 3,615,108