305628820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2183063}}^1$

素因数の和:2183079

約数の個数: 24

約数和(自身を含む): 733509504

約数和(自身を除く): 427880684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2183063, 4366126, 8732252, 10915315, 15281441, 21830630, 30562882, 43661260, 61125764, 76407205, 152814410, 305628820]

約数ペア:

[(1, 305628820), (2, 152814410), (4, 76407205), (5, 61125764), (7, 43661260), (10, 30562882), (14, 21830630), (20, 15281441), (28, 10915315), (35, 8732252), (70, 4366126), (140, 2183063)]