81831400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{58451}}^1$

素因数の和:58474

約数の個数: 48

約数和(自身を含む): 217441440

約数和(自身を除く): 135610040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 58451, 116902, 233804, 292255, 409157, 467608, 584510, 818314, 1169020, 1461275, 1636628, 2045785, 2338040, 2922550, 3273256, 4091570, 5845100, 8183140, 10228925, 11690200, 16366280, 20457850, 40915700, 81831400]

約数ペア:

[(1, 81831400), (2, 40915700), (4, 20457850), (5, 16366280), (7, 11690200), (8, 10228925), (10, 8183140), (14, 5845100), (20, 4091570), (25, 3273256), (28, 2922550), (35, 2338040), (40, 2045785), (50, 1636628), (56, 1461275), (70, 1169020), (100, 818314), (140, 584510), (175, 467608), (200, 409157), (280, 292255), (350, 233804), (700, 116902), (1400, 58451)]