122780360

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{28687}}^1$

素因数の和:28805

約数の個数: 32

約数和(自身を含む): 278847360

約数和(自身を除く): 156067000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 28687, 57374, 114748, 143435, 229496, 286870, 573740, 1147480, 3069509, 6139018, 12278036, 15347545, 24556072, 30695090, 61390180, 122780360]

約数ペア:

[(1, 122780360), (2, 61390180), (4, 30695090), (5, 24556072), (8, 15347545), (10, 12278036), (20, 6139018), (40, 3069509), (107, 1147480), (214, 573740), (428, 286870), (535, 229496), (856, 143435), (1070, 114748), (2140, 57374), (4280, 28687)]