7171340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 16892064

約数和(自身を除く): 9720724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 881, 1628, 1762, 2035, 3524, 4070, 4405, 8140, 8810, 9691, 17620, 19382, 32597, 38764, 48455, 65194, 96910, 130388, 162985, 193820, 325970, 358567, 651940, 717134, 1434268, 1792835, 3585670, 7171340]

約数ペア:

[(1, 7171340), (2, 3585670), (4, 1792835), (5, 1434268), (10, 717134), (11, 651940), (20, 358567), (22, 325970), (37, 193820), (44, 162985), (55, 130388), (74, 96910), (110, 65194), (148, 48455), (185, 38764), (220, 32597), (370, 19382), (407, 17620), (740, 9691), (814, 8810), (881, 8140), (1628, 4405), (1762, 4070), (2035, 3524)]