71435420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510253}}^1$

素因数の和:510269

約数の個数: 24

約数和(自身を含む): 171445344

約数和(自身を除く): 100009924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510253, 1020506, 2041012, 2551265, 3571771, 5102530, 7143542, 10205060, 14287084, 17858855, 35717710, 71435420]

約数ペア:

[(1, 71435420), (2, 35717710), (4, 17858855), (5, 14287084), (7, 10205060), (10, 7143542), (14, 5102530), (20, 3571771), (28, 2551265), (35, 2041012), (70, 1020506), (140, 510253)]