Q: What is the sum of all factors of the number 12,428,300 excluding 12,428,300?

A: 15,278,260

Why is 15,278,260 the sum of all factors of 12,428,300, excluding 12,428,300?

The factors of the number 12,428,300 are: 1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3359, 3700, 6718, 13436, 16795, 33590, 67180, 83975, 124283, 167950, 248566, 335900, 497132, 621415, 1242830, 2485660, 3107075, 6214150, 12428300.

If you add them up, you will get the total of 12,428,315. Now subtract 12,428,300 to get 15,278,260