90175820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37889}}^1$

素因数の和:37922

約数の個数: 48

約数和(自身を含む): 229158720

約数和(自身を除く): 138982900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 37889, 75778, 151556, 189445, 265223, 378890, 530446, 644113, 757780, 1060892, 1288226, 1326115, 2576452, 2652230, 3220565, 4508791, 5304460, 6441130, 9017582, 12882260, 18035164, 22543955, 45087910, 90175820]

約数ペア:

[(1, 90175820), (2, 45087910), (4, 22543955), (5, 18035164), (7, 12882260), (10, 9017582), (14, 6441130), (17, 5304460), (20, 4508791), (28, 3220565), (34, 2652230), (35, 2576452), (68, 1326115), (70, 1288226), (85, 1060892), (119, 757780), (140, 644113), (170, 530446), (238, 378890), (340, 265223), (476, 189445), (595, 151556), (1190, 75778), (2380, 37889)]