126279020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{901993}}^1$

素因数の和:902009

約数の個数: 24

約数和(自身を含む): 303069984

約数和(自身を除く): 176790964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 901993, 1803986, 3607972, 4509965, 6313951, 9019930, 12627902, 18039860, 25255804, 31569755, 63139510, 126279020]

約数ペア:

[(1, 126279020), (2, 63139510), (4, 31569755), (5, 25255804), (7, 18039860), (10, 12627902), (14, 9019930), (20, 6313951), (28, 4509965), (35, 3607972), (70, 1803986), (140, 901993)]