30287020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 66729600

約数和(自身を除く): 36442580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 661, 790, 1322, 1580, 2291, 2644, 3305, 4582, 6610, 9164, 11455, 13220, 19169, 22910, 38338, 45820, 52219, 76676, 95845, 104438, 191690, 208876, 261095, 383380, 522190, 1044380, 1514351, 3028702, 6057404, 7571755, 15143510, 30287020]

約数ペア:

[(1, 30287020), (2, 15143510), (4, 7571755), (5, 6057404), (10, 3028702), (20, 1514351), (29, 1044380), (58, 522190), (79, 383380), (116, 261095), (145, 208876), (158, 191690), (290, 104438), (316, 95845), (395, 76676), (580, 52219), (661, 45820), (790, 38338), (1322, 22910), (1580, 19169), (2291, 13220), (2644, 11455), (3305, 9164), (4582, 6610)]