201320390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{17959}}^1$

素因数の和:18044

約数の個数: 32

約数和(自身を含む): 387936000

約数和(自身を除く): 186615610

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 5605, 11210, 17959, 35918, 89795, 179590, 341221, 682442, 1059581, 1706105, 2119162, 3412210, 5297905, 10595810, 20132039, 40264078, 100660195, 201320390]

約数ペア:

[(1, 201320390), (2, 100660195), (5, 40264078), (10, 20132039), (19, 10595810), (38, 5297905), (59, 3412210), (95, 2119162), (118, 1706105), (190, 1059581), (295, 682442), (590, 341221), (1121, 179590), (2242, 89795), (5605, 35918), (11210, 17959)]