1916900

素因数分解:

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

素因数の和:704

約数の個数: 36

約数和(自身を含む): 4309620

約数和(自身を除く): 2392720

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 661, 725, 1322, 1450, 2644, 2900, 3305, 6610, 13220, 16525, 19169, 33050, 38338, 66100, 76676, 95845, 191690, 383380, 479225, 958450, 1916900]

約数ペア:

[(1, 1916900), (2, 958450), (4, 479225), (5, 383380), (10, 191690), (20, 95845), (25, 76676), (29, 66100), (50, 38338), (58, 33050), (100, 19169), (116, 16525), (145, 13220), (290, 6610), (580, 3305), (661, 2900), (725, 2644), (1322, 1450)]