3871420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{27653}}^1$

素因数の和:27669

約数の個数: 24

約数和(自身を含む): 9291744

約数和(自身を除く): 5420324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 27653, 55306, 110612, 138265, 193571, 276530, 387142, 553060, 774284, 967855, 1935710, 3871420]

約数ペア:

[(1, 3871420), (2, 1935710), (4, 967855), (5, 774284), (7, 553060), (10, 387142), (14, 276530), (20, 193571), (28, 138265), (35, 110612), (70, 55306), (140, 27653)]