140277340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1001981}}^1$

素因数の和:1001997

約数の個数: 24

約数和(自身を含む): 336665952

約数和(自身を除く): 196388612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1001981, 2003962, 4007924, 5009905, 7013867, 10019810, 14027734, 20039620, 28055468, 35069335, 70138670, 140277340]

約数ペア:

[(1, 140277340), (2, 70138670), (4, 35069335), (5, 28055468), (7, 20039620), (10, 14027734), (14, 10019810), (20, 7013867), (28, 5009905), (35, 4007924), (70, 2003962), (140, 1001981)]