112220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 244608

約数和(自身を除く): 132388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 3620, 5611, 11222, 22444, 28055, 56110, 112220]

約数ペア:

[(1, 112220), (2, 56110), (4, 28055), (5, 22444), (10, 11222), (20, 5611), (31, 3620), (62, 1810), (124, 905), (155, 724), (181, 620), (310, 362)]