38188900

素因数分解:

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

素因数の和:269

約数の個数: 72

約数和(自身を含む): 87105536

約数和(自身を除く): 48916636

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 97, 100, 124, 127, 155, 194, 254, 310, 388, 485, 508, 620, 635, 775, 970, 1270, 1550, 1940, 2425, 2540, 3007, 3100, 3175, 3937, 4850, 6014, 6350, 7874, 9700, 12028, 12319, 12700, 15035, 15748, 19685, 24638, 30070, 39370, 49276, 60140, 61595, 75175, 78740, 98425, 123190, 150350, 196850, 246380, 300700, 307975, 381889, 393700, 615950, 763778, 1231900, 1527556, 1909445, 3818890, 7637780, 9547225, 19094450, 38188900]

約数ペア:

[(1, 38188900), (2, 19094450), (4, 9547225), (5, 7637780), (10, 3818890), (20, 1909445), (25, 1527556), (31, 1231900), (50, 763778), (62, 615950), (97, 393700), (100, 381889), (124, 307975), (127, 300700), (155, 246380), (194, 196850), (254, 150350), (310, 123190), (388, 98425), (485, 78740), (508, 75175), (620, 61595), (635, 60140), (775, 49276), (970, 39370), (1270, 30070), (1550, 24638), (1940, 19685), (2425, 15748), (2540, 15035), (3007, 12700), (3100, 12319), (3175, 12028), (3937, 9700), (4850, 7874), (6014, 6350)]