30905380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2381}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 72031680

約数和(自身を除く): 41126300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2381, 2596, 3245, 4762, 6490, 9524, 11905, 12980, 23810, 26191, 47620, 52382, 104764, 130955, 140479, 261910, 280958, 523820, 561916, 702395, 1404790, 1545269, 2809580, 3090538, 6181076, 7726345, 15452690, 30905380]

約数ペア:

[(1, 30905380), (2, 15452690), (4, 7726345), (5, 6181076), (10, 3090538), (11, 2809580), (20, 1545269), (22, 1404790), (44, 702395), (55, 561916), (59, 523820), (110, 280958), (118, 261910), (220, 140479), (236, 130955), (295, 104764), (590, 52382), (649, 47620), (1180, 26191), (1298, 23810), (2381, 12980), (2596, 11905), (3245, 9524), (4762, 6490)]