412400

素因数分解:

$2^4\times 5^2\times {\mathrm{1031}}^1$

素因数の和:1049

約数の個数: 30

約数和(自身を含む): 991752

約数和(自身を除く): 579352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1031, 2062, 4124, 5155, 8248, 10310, 16496, 20620, 25775, 41240, 51550, 82480, 103100, 206200, 412400]

約数ペア:

[(1, 412400), (2, 206200), (4, 103100), (5, 82480), (8, 51550), (10, 41240), (16, 25775), (20, 20620), (25, 16496), (40, 10310), (50, 8248), (80, 5155), (100, 4124), (200, 2062), (400, 1031)]