7637780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 16859136

約数和(自身を除く): 9221356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 127, 155, 194, 254, 310, 388, 485, 508, 620, 635, 970, 1270, 1940, 2540, 3007, 3937, 6014, 7874, 12028, 12319, 15035, 15748, 19685, 24638, 30070, 39370, 49276, 60140, 61595, 78740, 123190, 246380, 381889, 763778, 1527556, 1909445, 3818890, 7637780]

約数ペア:

[(1, 7637780), (2, 3818890), (4, 1909445), (5, 1527556), (10, 763778), (20, 381889), (31, 246380), (62, 123190), (97, 78740), (124, 61595), (127, 60140), (155, 49276), (194, 39370), (254, 30070), (310, 24638), (388, 19685), (485, 15748), (508, 15035), (620, 12319), (635, 12028), (970, 7874), (1270, 6014), (1940, 3937), (2540, 3007)]