187712420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1340803}}^1$

素因数の和:1340819

約数の個数: 24

約数和(自身を含む): 450510144

約数和(自身を除く): 262797724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1340803, 2681606, 5363212, 6704015, 9385621, 13408030, 18771242, 26816060, 37542484, 46928105, 93856210, 187712420]

約数ペア:

[(1, 187712420), (2, 93856210), (4, 46928105), (5, 37542484), (7, 26816060), (10, 18771242), (14, 13408030), (20, 9385621), (28, 6704015), (35, 5363212), (70, 2681606), (140, 1340803)]