259431340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1853081}}^1$

素因数の和:1853097

約数の個数: 24

約数和(自身を含む): 622635552

約数和(自身を除く): 363204212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1853081, 3706162, 7412324, 9265405, 12971567, 18530810, 25943134, 37061620, 51886268, 64857835, 129715670, 259431340]

約数ペア:

[(1, 259431340), (2, 129715670), (4, 64857835), (5, 51886268), (7, 37061620), (10, 25943134), (14, 18530810), (20, 12971567), (28, 9265405), (35, 7412324), (70, 3706162), (140, 1853081)]