398433180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6640553}}^1$

素因数の和:6640565

約数の個数: 24

約数和(自身を含む): 1115613072

約数和(自身を除く): 717179892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6640553, 13281106, 19921659, 26562212, 33202765, 39843318, 66405530, 79686636, 99608295, 132811060, 199216590, 398433180]

約数ペア:

[(1, 398433180), (2, 199216590), (3, 132811060), (4, 99608295), (5, 79686636), (6, 66405530), (10, 39843318), (12, 33202765), (15, 26562212), (20, 19921659), (30, 13281106), (60, 6640553)]