149118520

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{5657}}^1$

素因数の和:6327

約数の個数: 32

約数和(自身を含む): 336085200

約数和(自身を除く): 186966680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 5657, 6590, 11314, 13180, 22628, 26360, 28285, 45256, 56570, 113140, 226280, 3727963, 7455926, 14911852, 18639815, 29823704, 37279630, 74559260, 149118520]

約数ペア:

[(1, 149118520), (2, 74559260), (4, 37279630), (5, 29823704), (8, 18639815), (10, 14911852), (20, 7455926), (40, 3727963), (659, 226280), (1318, 113140), (2636, 56570), (3295, 45256), (5272, 28285), (5657, 26360), (6590, 22628), (11314, 13180)]