Q: What is the sum of all factors of the number 400,920 including 400,920?
A: 1,300,320
The factors of the number 400,920 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 257, 260, 312, 390, 514, 520, 771, 780, 1028, 1285, 1542, 1560, 2056, 2570, 3084, 3341, 3855, 5140, 6168, 6682, 7710, 10023, 10280, 13364, 15420, 16705, 20046, 26728, 30840, 33410, 40092, 50115, 66820, 80184, 100230, 133640, 200460, 400920.
If you add them up, you will get the total of 1,300,320.