8433740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 20466432

約数和(自身を除く): 12032692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 563, 749, 1070, 1126, 1498, 2140, 2252, 2815, 2996, 3745, 3941, 5630, 7490, 7882, 11260, 14980, 15764, 19705, 39410, 60241, 78820, 120482, 240964, 301205, 421687, 602410, 843374, 1204820, 1686748, 2108435, 4216870, 8433740]

約数ペア:

[(1, 8433740), (2, 4216870), (4, 2108435), (5, 1686748), (7, 1204820), (10, 843374), (14, 602410), (20, 421687), (28, 301205), (35, 240964), (70, 120482), (107, 78820), (140, 60241), (214, 39410), (428, 19705), (535, 15764), (563, 14980), (749, 11260), (1070, 7882), (1126, 7490), (1498, 5630), (2140, 3941), (2252, 3745), (2815, 2996)]