28953980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3614

約数の個数: 48

約数和(自身を含む): 68142816

約数和(自身を除く): 39188836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3557, 4070, 7114, 8140, 14228, 17785, 35570, 39127, 71140, 78254, 131609, 156508, 195635, 263218, 391270, 526436, 658045, 782540, 1316090, 1447699, 2632180, 2895398, 5790796, 7238495, 14476990, 28953980]

約数ペア:

[(1, 28953980), (2, 14476990), (4, 7238495), (5, 5790796), (10, 2895398), (11, 2632180), (20, 1447699), (22, 1316090), (37, 782540), (44, 658045), (55, 526436), (74, 391270), (110, 263218), (148, 195635), (185, 156508), (220, 131609), (370, 78254), (407, 71140), (740, 39127), (814, 35570), (1628, 17785), (2035, 14228), (3557, 8140), (4070, 7114)]