Q: What is the sum of all factors of the number 420,401,220 including 420,401,220?

A: 1,239,080,640

Why is 1,239,080,640 the sum of all factors of 420,401,220, including 420,401,220?

The factors of the number 420,401,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 368773, 737546, 1106319, 1475092, 1843865, 2212638, 3687730, 4425276, 5531595, 7006687, 7375460, 11063190, 14013374, 21020061, 22126380, 28026748, 35033435, 42040122, 70066870, 84080244, 105100305, 140133740, 210200610, 420401220.

If you add them up, you will get the total of 1,239,080,640.