2008455470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1737

約数の個数: 64

約数和(自身を含む): 4193648640

約数和(自身を除く): 2185193170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 157, 254, 314, 635, 785, 889, 1099, 1270, 1439, 1570, 1778, 2198, 2878, 4445, 5495, 7195, 8890, 10073, 10990, 14390, 19939, 20146, 39878, 50365, 99695, 100730, 139573, 182753, 199390, 225923, 279146, 365506, 451846, 697865, 913765, 1129615, 1279271, 1395730, 1581461, 1827530, 2259230, 2558542, 3162922, 6396355, 7907305, 12792710, 15814610, 28692221, 57384442, 143461105, 200845547, 286922210, 401691094, 1004227735, 2008455470]

約数ペア:

[(1, 2008455470), (2, 1004227735), (5, 401691094), (7, 286922210), (10, 200845547), (14, 143461105), (35, 57384442), (70, 28692221), (127, 15814610), (157, 12792710), (254, 7907305), (314, 6396355), (635, 3162922), (785, 2558542), (889, 2259230), (1099, 1827530), (1270, 1581461), (1439, 1395730), (1570, 1279271), (1778, 1129615), (2198, 913765), (2878, 697865), (4445, 451846), (5495, 365506), (7195, 279146), (8890, 225923), (10073, 199390), (10990, 182753), (14390, 139573), (19939, 100730), (20146, 99695), (39878, 50365)]