Q: What is the sum of all factors of the number 1,199,880 including 1,199,880?
A: 4,406,400
The factors of the number 1,199,880 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 101, 108, 110, 120, 132, 135, 165, 180, 198, 202, 216, 220, 264, 270, 297, 303, 330, 360, 396, 404, 440, 495, 505, 540, 594, 606, 660, 792, 808, 909, 990, 1010, 1080, 1111, 1188, 1212, 1320, 1485, 1515, 1818, 1980, 2020, 2222, 2376, 2424, 2727, 2970, 3030, 3333, 3636, 3960, 4040, 4444, 4545, 5454, 5555, 5940, 6060, 6666, 7272, 8888, 9090, 9999, 10908, 11110, 11880, 12120, 13332, 13635, 16665, 18180, 19998, 21816, 22220, 26664, 27270, 29997, 33330, 36360, 39996, 44440, 49995, 54540, 59994, 66660, 79992, 99990, 109080, 119988, 133320, 149985, 199980, 239976, 299970, 399960, 599940, 1199880.
If you add them up, you will get the total of 4,406,400.