139307210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1990103}}^1$

素因数の和:1990117

約数の個数: 16

約数和(自身を含む): 286574976

約数和(自身を除く): 147267766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1990103, 3980206, 9950515, 13930721, 19901030, 27861442, 69653605, 139307210]

約数ペア:

[(1, 139307210), (2, 69653605), (5, 27861442), (7, 19901030), (10, 13930721), (14, 9950515), (35, 3980206), (70, 1990103)]