1140400

素因数分解:

$2^4\times 5^2\times {\mathrm{2851}}^1$

素因数の和:2869

約数の個数: 30

約数和(自身を含む): 2740772

約数和(自身を除く): 1600372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2851, 5702, 11404, 14255, 22808, 28510, 45616, 57020, 71275, 114040, 142550, 228080, 285100, 570200, 1140400]

約数ペア:

[(1, 1140400), (2, 570200), (4, 285100), (5, 228080), (8, 142550), (10, 114040), (16, 71275), (20, 57020), (25, 45616), (40, 28510), (50, 22808), (80, 14255), (100, 11404), (200, 5702), (400, 2851)]