1400440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 3185280

約数和(自身を除く): 1784840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 223, 314, 446, 628, 785, 892, 1115, 1256, 1570, 1784, 2230, 3140, 4460, 6280, 8920, 35011, 70022, 140044, 175055, 280088, 350110, 700220, 1400440]

約数ペア:

[(1, 1400440), (2, 700220), (4, 350110), (5, 280088), (8, 175055), (10, 140044), (20, 70022), (40, 35011), (157, 8920), (223, 6280), (314, 4460), (446, 3140), (628, 2230), (785, 1784), (892, 1570), (1115, 1256)]