308971580

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{14533}}^1$

素因数の和:15605

約数の個数: 24

約数和(自身を含む): 649495392

約数和(自身を除く): 340523812

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 4252, 5315, 10630, 14533, 21260, 29066, 58132, 72665, 145330, 290660, 15448579, 30897158, 61794316, 77242895, 154485790, 308971580]

約数ペア:

[(1, 308971580), (2, 154485790), (4, 77242895), (5, 61794316), (10, 30897158), (20, 15448579), (1063, 290660), (2126, 145330), (4252, 72665), (5315, 58132), (10630, 29066), (14533, 21260)]