2021867980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{58537}}^1$

素因数の和:58714

約数の個数: 48

約数和(自身を含む): 4661498016

約数和(自身を除く): 2639630036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6908, 8635, 17270, 34540, 58537, 117074, 234148, 292685, 585370, 643907, 1170740, 1287814, 2575628, 3219535, 6439070, 9190309, 12878140, 18380618, 36761236, 45951545, 91903090, 101093399, 183806180, 202186798, 404373596, 505466995, 1010933990, 2021867980]

約数ペア:

[(1, 2021867980), (2, 1010933990), (4, 505466995), (5, 404373596), (10, 202186798), (11, 183806180), (20, 101093399), (22, 91903090), (44, 45951545), (55, 36761236), (110, 18380618), (157, 12878140), (220, 9190309), (314, 6439070), (628, 3219535), (785, 2575628), (1570, 1287814), (1727, 1170740), (3140, 643907), (3454, 585370), (6908, 292685), (8635, 234148), (17270, 117074), (34540, 58537)]