2544740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3442780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 269, 430, 473, 538, 860, 946, 1076, 1345, 1892, 2365, 2690, 2959, 4730, 5380, 5918, 9460, 11567, 11836, 14795, 23134, 29590, 46268, 57835, 59180, 115670, 127237, 231340, 254474, 508948, 636185, 1272370, 2544740]

約数ペア:

[(1, 2544740), (2, 1272370), (4, 636185), (5, 508948), (10, 254474), (11, 231340), (20, 127237), (22, 115670), (43, 59180), (44, 57835), (55, 46268), (86, 29590), (110, 23134), (172, 14795), (215, 11836), (220, 11567), (269, 9460), (430, 5918), (473, 5380), (538, 4730), (860, 2959), (946, 2690), (1076, 2365), (1345, 1892)]