Q: What is the sum of all factors of the number 134,880 excluding 134,880?

A: 291,504

Why is 291,504 the sum of all factors of 134,880, excluding 134,880?

The factors of the number 134,880 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 281, 480, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 8992, 11240, 13488, 16860, 22480, 26976, 33720, 44960, 67440, 134880.

If you add them up, you will get the total of 135,171. Now subtract 134,880 to get 291,504