7637980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 18567360

約数和(自身を除く): 10929380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 613, 623, 890, 1226, 1246, 1780, 2452, 2492, 3065, 3115, 4291, 6130, 6230, 8582, 12260, 12460, 17164, 21455, 42910, 54557, 85820, 109114, 218228, 272785, 381899, 545570, 763798, 1091140, 1527596, 1909495, 3818990, 7637980]

約数ペア:

[(1, 7637980), (2, 3818990), (4, 1909495), (5, 1527596), (7, 1091140), (10, 763798), (14, 545570), (20, 381899), (28, 272785), (35, 218228), (70, 109114), (89, 85820), (140, 54557), (178, 42910), (356, 21455), (445, 17164), (613, 12460), (623, 12260), (890, 8582), (1226, 6230), (1246, 6130), (1780, 4291), (2452, 3115), (2492, 3065)]