243300520

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{18049}}^1$

素因数の和:18397

約数の個数: 32

約数和(自身を含む): 549081000

約数和(自身を除く): 305780480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 18049, 36098, 72196, 90245, 144392, 180490, 360980, 721960, 6082513, 12165026, 24330052, 30412565, 48660104, 60825130, 121650260, 243300520]

約数ペア:

[(1, 243300520), (2, 121650260), (4, 60825130), (5, 48660104), (8, 30412565), (10, 24330052), (20, 12165026), (40, 6082513), (337, 721960), (674, 360980), (1348, 180490), (1685, 144392), (2696, 90245), (3370, 72196), (6740, 36098), (13480, 18049)]