139931883070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1999026901}}^1$

素因数の和:1999026915

約数の個数: 16

約数和(自身を含む): 287859873888

約数和(自身を除く): 147927990818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1999026901, 3998053802, 9995134505, 13993188307, 19990269010, 27986376614, 69965941535, 139931883070]

約数ペア:

[(1, 139931883070), (2, 69965941535), (5, 27986376614), (7, 19990269010), (10, 13993188307), (14, 9995134505), (35, 3998053802), (70, 1999026901)]