1286140460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{5479}}^1$

素因数の和:5607

約数の個数: 72

約数和(自身を含む): 2999905440

約数和(自身を除く): 1713764980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 121, 194, 220, 242, 388, 484, 485, 605, 970, 1067, 1210, 1940, 2134, 2420, 4268, 5335, 5479, 10670, 10958, 11737, 21340, 21916, 23474, 27395, 46948, 54790, 58685, 60269, 109580, 117370, 120538, 234740, 241076, 301345, 531463, 602690, 662959, 1062926, 1205380, 1325918, 2125852, 2651836, 2657315, 3314795, 5314630, 5846093, 6629590, 10629260, 11692186, 13259180, 23384372, 29230465, 58460930, 64307023, 116921860, 128614046, 257228092, 321535115, 643070230, 1286140460]

約数ペア:

[(1, 1286140460), (2, 643070230), (4, 321535115), (5, 257228092), (10, 128614046), (11, 116921860), (20, 64307023), (22, 58460930), (44, 29230465), (55, 23384372), (97, 13259180), (110, 11692186), (121, 10629260), (194, 6629590), (220, 5846093), (242, 5314630), (388, 3314795), (484, 2657315), (485, 2651836), (605, 2125852), (970, 1325918), (1067, 1205380), (1210, 1062926), (1940, 662959), (2134, 602690), (2420, 531463), (4268, 301345), (5335, 241076), (5479, 234740), (10670, 120538), (10958, 117370), (11737, 109580), (21340, 60269), (21916, 58685), (23474, 54790), (27395, 46948)]