1246280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4451}}^1$

素因数の和:4469

約数の個数: 32

約数和(自身を含む): 3205440

約数和(自身を除く): 1959160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4451, 8902, 17804, 22255, 31157, 35608, 44510, 62314, 89020, 124628, 155785, 178040, 249256, 311570, 623140, 1246280]

約数ペア:

[(1, 1246280), (2, 623140), (4, 311570), (5, 249256), (7, 178040), (8, 155785), (10, 124628), (14, 89020), (20, 62314), (28, 44510), (35, 35608), (40, 31157), (56, 22255), (70, 17804), (140, 8902), (280, 4451)]