Q: What is the sum of all factors of the number 1,290,840 excluding 1,290,840?
A: 2,718,120
The factors of the number 1,290,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 347, 372, 465, 620, 694, 744, 930, 1041, 1240, 1388, 1735, 1860, 2082, 2776, 3470, 3720, 4164, 5205, 6940, 8328, 10410, 10757, 13880, 20820, 21514, 32271, 41640, 43028, 53785, 64542, 86056, 107570, 129084, 161355, 215140, 258168, 322710, 430280, 645420, 1290840.
If you add them up, you will get the total of 1,290,842. Now subtract 1,290,840 to get 2,718,120