Q: What is the sum of all factors of the number 1,285,740 including 1,285,740?

A: 4,001,760

Why is 4,001,760 the sum of all factors of 1,285,740, including 1,285,740?

The factors of the number 1,285,740 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2381, 4762, 7143, 9524, 11905, 14286, 21429, 23810, 28572, 35715, 42858, 47620, 64287, 71430, 85716, 107145, 128574, 142860, 214290, 257148, 321435, 428580, 642870, 1285740.

If you add them up, you will get the total of 4,001,760.