1665620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 3907008

約数和(自身を除く): 2241388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 113, 134, 220, 226, 268, 335, 452, 565, 670, 737, 1130, 1243, 1340, 1474, 2260, 2486, 2948, 3685, 4972, 6215, 7370, 7571, 12430, 14740, 15142, 24860, 30284, 37855, 75710, 83281, 151420, 166562, 333124, 416405, 832810, 1665620]

約数ペア:

[(1, 1665620), (2, 832810), (4, 416405), (5, 333124), (10, 166562), (11, 151420), (20, 83281), (22, 75710), (44, 37855), (55, 30284), (67, 24860), (110, 15142), (113, 14740), (134, 12430), (220, 7571), (226, 7370), (268, 6215), (335, 4972), (452, 3685), (565, 2948), (670, 2486), (737, 2260), (1130, 1474), (1243, 1340)]