384161780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{176221}}^1$

素因数の和:176339

約数の個数: 24

約数和(自身を含む): 814145640

約数和(自身を除く): 429983860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 176221, 352442, 704884, 881105, 1762210, 3524420, 19208089, 38416178, 76832356, 96040445, 192080890, 384161780]

約数ペア:

[(1, 384161780), (2, 192080890), (4, 96040445), (5, 76832356), (10, 38416178), (20, 19208089), (109, 3524420), (218, 1762210), (436, 881105), (545, 704884), (1090, 352442), (2180, 176221)]