454080400

素因数分解:

$2^4\times 5^2\times {\mathrm{1135201}}^1$

素因数の和:1135219

約数の個数: 30

約数和(自身を含む): 1090929122

約数和(自身を除く): 636848722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1135201, 2270402, 4540804, 5676005, 9081608, 11352010, 18163216, 22704020, 28380025, 45408040, 56760050, 90816080, 113520100, 227040200, 454080400]

約数ペア:

[(1, 454080400), (2, 227040200), (4, 113520100), (5, 90816080), (8, 56760050), (10, 45408040), (16, 28380025), (20, 22704020), (25, 18163216), (40, 11352010), (50, 9081608), (80, 5676005), (100, 4540804), (200, 2270402), (400, 1135201)]