165025420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1178753}}^1$

素因数の和:1178769

約数の個数: 24

約数和(自身を含む): 396061344

約数和(自身を除く): 231035924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1178753, 2357506, 4715012, 5893765, 8251271, 11787530, 16502542, 23575060, 33005084, 41256355, 82512710, 165025420]

約数ペア:

[(1, 165025420), (2, 82512710), (4, 41256355), (5, 33005084), (7, 23575060), (10, 16502542), (14, 11787530), (20, 8251271), (28, 5893765), (35, 4715012), (70, 2357506), (140, 1178753)]