249935420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1785253}}^1$

素因数の和:1785269

約数の個数: 24

約数和(自身を含む): 599845344

約数和(自身を除く): 349909924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1785253, 3570506, 7141012, 8926265, 12496771, 17852530, 24993542, 35705060, 49987084, 62483855, 124967710, 249935420]

約数ペア:

[(1, 249935420), (2, 124967710), (4, 62483855), (5, 49987084), (7, 35705060), (10, 24993542), (14, 17852530), (20, 12496771), (28, 8926265), (35, 7141012), (70, 3570506), (140, 1785253)]