122985220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{22691}}^1$

素因数の和:22971

約数の個数: 24

約数和(自身を含む): 259233408

約数和(自身を除く): 136248188

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 22691, 45382, 90764, 113455, 226910, 453820, 6149261, 12298522, 24597044, 30746305, 61492610, 122985220]

約数ペア:

[(1, 122985220), (2, 61492610), (4, 30746305), (5, 24597044), (10, 12298522), (20, 6149261), (271, 453820), (542, 226910), (1084, 113455), (1355, 90764), (2710, 45382), (5420, 22691)]