31038980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221707}}^1$

素因数の和:221723

約数の個数: 24

約数和(自身を含む): 74493888

約数和(自身を除く): 43454908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221707, 443414, 886828, 1108535, 1551949, 2217070, 3103898, 4434140, 6207796, 7759745, 15519490, 31038980]

約数ペア:

[(1, 31038980), (2, 15519490), (4, 7759745), (5, 6207796), (7, 4434140), (10, 3103898), (14, 2217070), (20, 1551949), (28, 1108535), (35, 886828), (70, 443414), (140, 221707)]