68635820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311981}}^1$

素因数の和:312001

約数の個数: 24

約数和(自身を含む): 157238928

約数和(自身を除く): 88603108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311981, 623962, 1247924, 1559905, 3119810, 3431791, 6239620, 6863582, 13727164, 17158955, 34317910, 68635820]

約数ペア:

[(1, 68635820), (2, 34317910), (4, 17158955), (5, 13727164), (10, 6863582), (11, 6239620), (20, 3431791), (22, 3119810), (44, 1559905), (55, 1247924), (110, 623962), (220, 311981)]