30646280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109451}}^1$

素因数の和:109469

約数の個数: 32

約数和(自身を含む): 78805440

約数和(自身を除く): 48159160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109451, 218902, 437804, 547255, 766157, 875608, 1094510, 1532314, 2189020, 3064628, 3830785, 4378040, 6129256, 7661570, 15323140, 30646280]

約数ペア:

[(1, 30646280), (2, 15323140), (4, 7661570), (5, 6129256), (7, 4378040), (8, 3830785), (10, 3064628), (14, 2189020), (20, 1532314), (28, 1094510), (35, 875608), (40, 766157), (56, 547255), (70, 437804), (140, 218902), (280, 109451)]