208768390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37889}}^1$

素因数の和:37944

約数の個数: 32

約数和(自身を含む): 409212000

約数和(自身を除く): 200443610

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 37889, 75778, 189445, 378890, 719891, 1098781, 1439782, 2197562, 3599455, 5493905, 7198910, 10987810, 20876839, 41753678, 104384195, 208768390]

約数ペア:

[(1, 208768390), (2, 104384195), (5, 41753678), (10, 20876839), (19, 10987810), (29, 7198910), (38, 5493905), (58, 3599455), (95, 2197562), (145, 1439782), (190, 1098781), (290, 719891), (551, 378890), (1102, 189445), (2755, 75778), (5510, 37889)]