30890900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2887}}^1$

素因数の和:3008

約数の個数: 36

約数和(自身を含む): 67683168

約数和(自身を除く): 36792268

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 2140, 2675, 2887, 5350, 5774, 10700, 11548, 14435, 28870, 57740, 72175, 144350, 288700, 308909, 617818, 1235636, 1544545, 3089090, 6178180, 7722725, 15445450, 30890900]

約数ペア:

[(1, 30890900), (2, 15445450), (4, 7722725), (5, 6178180), (10, 3089090), (20, 1544545), (25, 1235636), (50, 617818), (100, 308909), (107, 288700), (214, 144350), (428, 72175), (535, 57740), (1070, 28870), (2140, 14435), (2675, 11548), (2887, 10700), (5350, 5774)]