250420240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{447179}}^1$

素因数の和:447199

約数の個数: 40

約数和(自身を含む): 665403840

約数和(自身を除く): 414983600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 447179, 894358, 1788716, 2235895, 3130253, 3577432, 4471790, 6260506, 7154864, 8943580, 12521012, 15651265, 17887160, 25042024, 31302530, 35774320, 50084048, 62605060, 125210120, 250420240]

約数ペア:

[(1, 250420240), (2, 125210120), (4, 62605060), (5, 50084048), (7, 35774320), (8, 31302530), (10, 25042024), (14, 17887160), (16, 15651265), (20, 12521012), (28, 8943580), (35, 7154864), (40, 6260506), (56, 4471790), (70, 3577432), (80, 3130253), (112, 2235895), (140, 1788716), (280, 894358), (560, 447179)]