126729260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{905209}}^1$

素因数の和:905225

約数の個数: 24

約数和(自身を含む): 304150560

約数和(自身を除く): 177421300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 905209, 1810418, 3620836, 4526045, 6336463, 9052090, 12672926, 18104180, 25345852, 31682315, 63364630, 126729260]

約数ペア:

[(1, 126729260), (2, 63364630), (4, 31682315), (5, 25345852), (7, 18104180), (10, 12672926), (14, 9052090), (20, 6336463), (28, 4526045), (35, 3620836), (70, 1810418), (140, 905209)]