580400

素因数分解:

$2^4\times 5^2\times {\mathrm{1451}}^1$

素因数の和:1469

約数の個数: 30

約数和(自身を含む): 1395372

約数和(自身を除く): 814972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1451, 2902, 5804, 7255, 11608, 14510, 23216, 29020, 36275, 58040, 72550, 116080, 145100, 290200, 580400]

約数ペア:

[(1, 580400), (2, 290200), (4, 145100), (5, 116080), (8, 72550), (10, 58040), (16, 36275), (20, 29020), (25, 23216), (40, 14510), (50, 11608), (80, 7255), (100, 5804), (200, 2902), (400, 1451)]