30131870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103903}}^1$

素因数の和:103939

約数の個数: 16

約数和(自身を含む): 56108160

約数和(自身を除く): 25976290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 103903, 207806, 519515, 1039030, 3013187, 6026374, 15065935, 30131870]

約数ペア:

[(1, 30131870), (2, 15065935), (5, 6026374), (10, 3013187), (29, 1039030), (58, 519515), (145, 207806), (290, 103903)]