486580400

素因数分解:

$2^4\times 5^2\times {\mathrm{1216451}}^1$

素因数の和:1216469

約数の個数: 30

約数和(自身を含む): 1169010372

約数和(自身を除く): 682429972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1216451, 2432902, 4865804, 6082255, 9731608, 12164510, 19463216, 24329020, 30411275, 48658040, 60822550, 97316080, 121645100, 243290200, 486580400]

約数ペア:

[(1, 486580400), (2, 243290200), (4, 121645100), (5, 97316080), (8, 60822550), (10, 48658040), (16, 30411275), (20, 24329020), (25, 19463216), (40, 12164510), (50, 9731608), (80, 6082255), (100, 4865804), (200, 2432902), (400, 1216451)]