Q: What is the sum of all factors of the number 542,840 excluding 542,840?
A: 712,120
The factors of the number 542,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 331, 410, 662, 820, 1324, 1640, 1655, 2648, 3310, 6620, 13240, 13571, 27142, 54284, 67855, 108568, 135710, 271420, 542840.
If you add them up, you will get the total of 543,552. Now subtract 542,840 to get 712,120