281736589940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1\times {\mathrm{14419}}^1$

素因数の和:15001

約数の個数: 96

約数和(自身を含む): 641959019520

約数和(自身を除く): 360222429580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 337, 446, 674, 892, 1115, 1348, 1685, 2230, 2899, 3370, 4381, 4460, 5798, 6740, 8762, 11596, 14419, 14495, 17524, 21905, 28838, 28990, 43810, 57676, 57980, 72095, 75151, 87620, 144190, 150302, 187447, 288380, 300604, 374894, 375755, 749788, 751510, 937235, 976963, 1503020, 1874470, 1953926, 3215437, 3748940, 3907852, 4859203, 4884815, 6430874, 9718406, 9769630, 12861748, 16077185, 19436812, 19539260, 24296015, 32154370, 41800681, 48592030, 63169639, 64308740, 83601362, 97184060, 126339278, 167202724, 209003405, 252678556, 315848195, 418006810, 631696390, 836013620, 1083602269, 1263392780, 2167204538, 4334409076, 5418011345, 10836022690, 14086829497, 21672045380, 28173658994, 56347317988, 70434147485, 140868294970, 281736589940]

約数ペア:

[(1, 281736589940), (2, 140868294970), (4, 70434147485), (5, 56347317988), (10, 28173658994), (13, 21672045380), (20, 14086829497), (26, 10836022690), (52, 5418011345), (65, 4334409076), (130, 2167204538), (223, 1263392780), (260, 1083602269), (337, 836013620), (446, 631696390), (674, 418006810), (892, 315848195), (1115, 252678556), (1348, 209003405), (1685, 167202724), (2230, 126339278), (2899, 97184060), (3370, 83601362), (4381, 64308740), (4460, 63169639), (5798, 48592030), (6740, 41800681), (8762, 32154370), (11596, 24296015), (14419, 19539260), (14495, 19436812), (17524, 16077185), (21905, 12861748), (28838, 9769630), (28990, 9718406), (43810, 6430874), (57676, 4884815), (57980, 4859203), (72095, 3907852), (75151, 3748940), (87620, 3215437), (144190, 1953926), (150302, 1874470), (187447, 1503020), (288380, 976963), (300604, 937235), (374894, 751510), (375755, 749788)]