2667940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 6237504

約数和(自身を除く): 3569564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 181, 220, 268, 335, 362, 670, 724, 737, 905, 1340, 1474, 1810, 1991, 2948, 3620, 3685, 3982, 7370, 7964, 9955, 12127, 14740, 19910, 24254, 39820, 48508, 60635, 121270, 133397, 242540, 266794, 533588, 666985, 1333970, 2667940]

約数ペア:

[(1, 2667940), (2, 1333970), (4, 666985), (5, 533588), (10, 266794), (11, 242540), (20, 133397), (22, 121270), (44, 60635), (55, 48508), (67, 39820), (110, 24254), (134, 19910), (181, 14740), (220, 12127), (268, 9955), (335, 7964), (362, 7370), (670, 3982), (724, 3685), (737, 3620), (905, 2948), (1340, 1991), (1474, 1810)]