57155420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21487}}^1$

素因数の和:21522

約数の個数: 48

約数和(自身を含む): 144399360

約数和(自身を除く): 87243940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 21487, 42974, 85948, 107435, 150409, 214870, 300818, 408253, 429740, 601636, 752045, 816506, 1504090, 1633012, 2041265, 2857771, 3008180, 4082530, 5715542, 8165060, 11431084, 14288855, 28577710, 57155420]

約数ペア:

[(1, 57155420), (2, 28577710), (4, 14288855), (5, 11431084), (7, 8165060), (10, 5715542), (14, 4082530), (19, 3008180), (20, 2857771), (28, 2041265), (35, 1633012), (38, 1504090), (70, 816506), (76, 752045), (95, 601636), (133, 429740), (140, 408253), (190, 300818), (266, 214870), (380, 150409), (532, 107435), (665, 85948), (1330, 42974), (2660, 21487)]