381390400

素因数分解:

$2^6\times 5^2\times {\mathrm{238369}}^1$

素因数の和:238391

約数の個数: 42

約数和(自身を含む): 938462690

約数和(自身を除く): 557072290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 238369, 476738, 953476, 1191845, 1906952, 2383690, 3813904, 4767380, 5959225, 7627808, 9534760, 11918450, 15255616, 19069520, 23836900, 38139040, 47673800, 76278080, 95347600, 190695200, 381390400]

約数ペア:

[(1, 381390400), (2, 190695200), (4, 95347600), (5, 76278080), (8, 47673800), (10, 38139040), (16, 23836900), (20, 19069520), (25, 15255616), (32, 11918450), (40, 9534760), (50, 7627808), (64, 5959225), (80, 4767380), (100, 3813904), (160, 2383690), (200, 1906952), (320, 1191845), (400, 953476), (800, 476738), (1600, 238369)]