Q: What is the sum of all factors of the number 1,398,920 including 1,398,920?
A: 3,228,120
The factors of the number 1,398,920 are: 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 853, 1640, 1706, 3412, 4265, 6824, 8530, 17060, 34120, 34973, 69946, 139892, 174865, 279784, 349730, 699460, 1398920.
If you add them up, you will get the total of 3,228,120.