Q: What is the sum of all factors of the number 255,420 including 255,420?
A: 887,040
The factors of the number 255,420 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 43, 44, 45, 54, 55, 60, 66, 86, 90, 99, 108, 110, 129, 132, 135, 165, 172, 180, 198, 215, 220, 258, 270, 297, 330, 387, 396, 430, 473, 495, 516, 540, 594, 645, 660, 774, 860, 946, 990, 1161, 1188, 1290, 1419, 1485, 1548, 1892, 1935, 1980, 2322, 2365, 2580, 2838, 2970, 3870, 4257, 4644, 4730, 5676, 5805, 5940, 7095, 7740, 8514, 9460, 11610, 12771, 14190, 17028, 21285, 23220, 25542, 28380, 42570, 51084, 63855, 85140, 127710, 255420.
If you add them up, you will get the total of 887,040.