61781800

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2887}}^1$

素因数の和:3010

約数の個数: 48

約数和(自身を含む): 145035360

約数和(自身を除く): 83253560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 2140, 2675, 2887, 4280, 5350, 5774, 10700, 11548, 14435, 21400, 23096, 28870, 57740, 72175, 115480, 144350, 288700, 308909, 577400, 617818, 1235636, 1544545, 2471272, 3089090, 6178180, 7722725, 12356360, 15445450, 30890900, 61781800]

約数ペア:

[(1, 61781800), (2, 30890900), (4, 15445450), (5, 12356360), (8, 7722725), (10, 6178180), (20, 3089090), (25, 2471272), (40, 1544545), (50, 1235636), (100, 617818), (107, 577400), (200, 308909), (214, 288700), (428, 144350), (535, 115480), (856, 72175), (1070, 57740), (2140, 28870), (2675, 23096), (2887, 21400), (4280, 14435), (5350, 11548), (5774, 10700)]