247628080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{442193}}^1$

素因数の和:442213

約数の個数: 40

約数和(自身を含む): 657984672

約数和(自身を除く): 410356592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 442193, 884386, 1768772, 2210965, 3095351, 3537544, 4421930, 6190702, 7075088, 8843860, 12381404, 15476755, 17687720, 24762808, 30953510, 35375440, 49525616, 61907020, 123814040, 247628080]

約数ペア:

[(1, 247628080), (2, 123814040), (4, 61907020), (5, 49525616), (7, 35375440), (8, 30953510), (10, 24762808), (14, 17687720), (16, 15476755), (20, 12381404), (28, 8843860), (35, 7075088), (40, 6190702), (56, 4421930), (70, 3537544), (80, 3095351), (112, 2210965), (140, 1768772), (280, 884386), (560, 442193)]