12723700

素因数分解:

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

素因数の和:337

約数の個数: 72

約数和(自身を含む): 30935520

約数和(自身を除く): 18211820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 269, 275, 430, 473, 538, 550, 860, 946, 1075, 1076, 1100, 1345, 1892, 2150, 2365, 2690, 2959, 4300, 4730, 5380, 5918, 6725, 9460, 11567, 11825, 11836, 13450, 14795, 23134, 23650, 26900, 29590, 46268, 47300, 57835, 59180, 73975, 115670, 127237, 147950, 231340, 254474, 289175, 295900, 508948, 578350, 636185, 1156700, 1272370, 2544740, 3180925, 6361850, 12723700]

約数ペア:

[(1, 12723700), (2, 6361850), (4, 3180925), (5, 2544740), (10, 1272370), (11, 1156700), (20, 636185), (22, 578350), (25, 508948), (43, 295900), (44, 289175), (50, 254474), (55, 231340), (86, 147950), (100, 127237), (110, 115670), (172, 73975), (215, 59180), (220, 57835), (269, 47300), (275, 46268), (430, 29590), (473, 26900), (538, 23650), (550, 23134), (860, 14795), (946, 13450), (1075, 11836), (1076, 11825), (1100, 11567), (1345, 9460), (1892, 6725), (2150, 5918), (2365, 5380), (2690, 4730), (2959, 4300)]