2011707740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1171}}^1\times {\mathrm{1753}}^1$

素因数の和:2947

約数の個数: 72

約数和(自身を含む): 4921317072

約数和(自身を除く): 2909609332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1171, 1753, 2342, 3506, 4684, 5855, 7012, 8197, 8765, 11710, 12271, 16394, 17530, 23420, 24542, 32788, 35060, 40985, 49084, 57379, 61355, 81970, 85897, 114758, 122710, 163940, 171794, 229516, 245420, 286895, 343588, 429485, 573790, 858970, 1147580, 1717940, 2052763, 4105526, 8211052, 10263815, 14369341, 20527630, 28738682, 41055260, 57477364, 71846705, 100585387, 143693410, 201170774, 287386820, 402341548, 502926935, 1005853870, 2011707740]

約数ペア:

[(1, 2011707740), (2, 1005853870), (4, 502926935), (5, 402341548), (7, 287386820), (10, 201170774), (14, 143693410), (20, 100585387), (28, 71846705), (35, 57477364), (49, 41055260), (70, 28738682), (98, 20527630), (140, 14369341), (196, 10263815), (245, 8211052), (490, 4105526), (980, 2052763), (1171, 1717940), (1753, 1147580), (2342, 858970), (3506, 573790), (4684, 429485), (5855, 343588), (7012, 286895), (8197, 245420), (8765, 229516), (11710, 171794), (12271, 163940), (16394, 122710), (17530, 114758), (23420, 85897), (24542, 81970), (32788, 61355), (35060, 57379), (40985, 49084)]