Q: What is the sum of all factors of the number 1,620,220 including 1,620,220?
A: 3,967,488
The factors of the number 1,620,220 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 163, 284, 326, 355, 497, 652, 710, 815, 994, 1141, 1420, 1630, 1988, 2282, 2485, 3260, 4564, 4970, 5705, 9940, 11410, 11573, 22820, 23146, 46292, 57865, 81011, 115730, 162022, 231460, 324044, 405055, 810110, 1620220.
If you add them up, you will get the total of 3,967,488.