117649420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{840353}}^1$

素因数の和:840369

約数の個数: 24

約数和(自身を含む): 282358944

約数和(自身を除く): 164709524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 840353, 1680706, 3361412, 4201765, 5882471, 8403530, 11764942, 16807060, 23529884, 29412355, 58824710, 117649420]

約数ペア:

[(1, 117649420), (2, 58824710), (4, 29412355), (5, 23529884), (7, 16807060), (10, 11764942), (14, 8403530), (20, 5882471), (28, 4201765), (35, 3361412), (70, 1680706), (140, 840353)]