4301800

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 10138860

約数和(自身を除く): 5837060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 157, 200, 274, 314, 548, 628, 685, 785, 1096, 1256, 1370, 1570, 2740, 3140, 3425, 3925, 5480, 6280, 6850, 7850, 13700, 15700, 21509, 27400, 31400, 43018, 86036, 107545, 172072, 215090, 430180, 537725, 860360, 1075450, 2150900, 4301800]

約数ペア:

[(1, 4301800), (2, 2150900), (4, 1075450), (5, 860360), (8, 537725), (10, 430180), (20, 215090), (25, 172072), (40, 107545), (50, 86036), (100, 43018), (137, 31400), (157, 27400), (200, 21509), (274, 15700), (314, 13700), (548, 7850), (628, 6850), (685, 6280), (785, 5480), (1096, 3925), (1256, 3425), (1370, 3140), (1570, 2740)]