12131900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 29529360

約数和(自身を除く): 17397460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 269, 275, 410, 451, 538, 550, 820, 902, 1025, 1076, 1100, 1345, 1804, 2050, 2255, 2690, 2959, 4100, 4510, 5380, 5918, 6725, 9020, 11029, 11275, 11836, 13450, 14795, 22058, 22550, 26900, 29590, 44116, 45100, 55145, 59180, 73975, 110290, 121319, 147950, 220580, 242638, 275725, 295900, 485276, 551450, 606595, 1102900, 1213190, 2426380, 3032975, 6065950, 12131900]

約数ペア:

[(1, 12131900), (2, 6065950), (4, 3032975), (5, 2426380), (10, 1213190), (11, 1102900), (20, 606595), (22, 551450), (25, 485276), (41, 295900), (44, 275725), (50, 242638), (55, 220580), (82, 147950), (100, 121319), (110, 110290), (164, 73975), (205, 59180), (220, 55145), (269, 45100), (275, 44116), (410, 29590), (451, 26900), (538, 22550), (550, 22058), (820, 14795), (902, 13450), (1025, 11836), (1076, 11275), (1100, 11029), (1345, 9020), (1804, 6725), (2050, 5918), (2255, 5380), (2690, 4510), (2959, 4100)]