214950980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{249943}}^1$

素因数の和:249995

約数の個数: 24

約数和(自身を含む): 461896512

約数和(自身を除く): 246945532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 249943, 499886, 999772, 1249715, 2499430, 4998860, 10747549, 21495098, 42990196, 53737745, 107475490, 214950980]

約数ペア:

[(1, 214950980), (2, 107475490), (4, 53737745), (5, 42990196), (10, 21495098), (20, 10747549), (43, 4998860), (86, 2499430), (172, 1249715), (215, 999772), (430, 499886), (860, 249943)]