Q: What is the sum of all factors of the number 420,360 excluding 420,360?

A: 892,920

Why is 892,920 the sum of all factors of 420,360, excluding 420,360?

The factors of the number 420,360 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 113, 120, 124, 155, 186, 226, 248, 310, 339, 372, 452, 465, 565, 620, 678, 744, 904, 930, 1130, 1240, 1356, 1695, 1860, 2260, 2712, 3390, 3503, 3720, 4520, 6780, 7006, 10509, 13560, 14012, 17515, 21018, 28024, 35030, 42036, 52545, 70060, 84072, 105090, 140120, 210180, 420360.

If you add them up, you will get the total of 421,252. Now subtract 420,360 to get 892,920