64723700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^2\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 54

約数和(自身を含む): 143992086

約数和(自身を除く): 79268386

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 293, 470, 586, 940, 1172, 1175, 1465, 2209, 2350, 2930, 4418, 4700, 5860, 7325, 8836, 11045, 13771, 14650, 22090, 27542, 29300, 44180, 55084, 55225, 68855, 110450, 137710, 220900, 275420, 344275, 647237, 688550, 1294474, 1377100, 2588948, 3236185, 6472370, 12944740, 16180925, 32361850, 64723700]

約数ペア:

[(1, 64723700), (2, 32361850), (4, 16180925), (5, 12944740), (10, 6472370), (20, 3236185), (25, 2588948), (47, 1377100), (50, 1294474), (94, 688550), (100, 647237), (188, 344275), (235, 275420), (293, 220900), (470, 137710), (586, 110450), (940, 68855), (1172, 55225), (1175, 55084), (1465, 44180), (2209, 29300), (2350, 27542), (2930, 22090), (4418, 14650), (4700, 13771), (5860, 11045), (7325, 8836)]