81342695420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{581019253}}^1$

素因数の和:581019269

約数の個数: 24

約数和(自身を含む): 195222469344

約数和(自身を除く): 113879773924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 581019253, 1162038506, 2324077012, 2905096265, 4067134771, 5810192530, 8134269542, 11620385060, 16268539084, 20335673855, 40671347710, 81342695420]

約数ペア:

[(1, 81342695420), (2, 40671347710), (4, 20335673855), (5, 16268539084), (7, 11620385060), (10, 8134269542), (14, 5810192530), (20, 4067134771), (28, 2905096265), (35, 2324077012), (70, 1162038506), (140, 581019253)]