8734460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 21228480

約数和(自身を除く): 12494020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 701, 890, 1246, 1402, 1780, 2492, 2804, 3115, 3505, 4907, 6230, 7010, 9814, 12460, 14020, 19628, 24535, 49070, 62389, 98140, 124778, 249556, 311945, 436723, 623890, 873446, 1247780, 1746892, 2183615, 4367230, 8734460]

約数ペア:

[(1, 8734460), (2, 4367230), (4, 2183615), (5, 1746892), (7, 1247780), (10, 873446), (14, 623890), (20, 436723), (28, 311945), (35, 249556), (70, 124778), (89, 98140), (140, 62389), (178, 49070), (356, 24535), (445, 19628), (623, 14020), (701, 12460), (890, 9814), (1246, 7010), (1402, 6230), (1780, 4907), (2492, 3505), (2804, 3115)]