139059620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{993283}}^1$

素因数の和:993299

約数の個数: 24

約数和(自身を含む): 333743424

約数和(自身を除く): 194683804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 993283, 1986566, 3973132, 4966415, 6952981, 9932830, 13905962, 19865660, 27811924, 34764905, 69529810, 139059620]

約数ペア:

[(1, 139059620), (2, 69529810), (4, 34764905), (5, 27811924), (7, 19865660), (10, 13905962), (14, 9932830), (20, 6952981), (28, 4966415), (35, 3973132), (70, 1986566), (140, 993283)]