Q: What is the sum of all factors of the number 421,440 including 421,440?
A: 1,341,120
The factors of the number 421,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 439, 480, 878, 960, 1317, 1756, 2195, 2634, 3512, 4390, 5268, 6585, 7024, 8780, 10536, 13170, 14048, 17560, 21072, 26340, 28096, 35120, 42144, 52680, 70240, 84288, 105360, 140480, 210720, 421440.
If you add them up, you will get the total of 1,341,120.