244802440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{142327}}^1$

素因数の和:142381

約数の個数: 32

約数和(自身を含む): 563618880

約数和(自身を除く): 318816440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 142327, 284654, 569308, 711635, 1138616, 1423270, 2846540, 5693080, 6120061, 12240122, 24480244, 30600305, 48960488, 61200610, 122401220, 244802440]

約数ペア:

[(1, 244802440), (2, 122401220), (4, 61200610), (5, 48960488), (8, 30600305), (10, 24480244), (20, 12240122), (40, 6120061), (43, 5693080), (86, 2846540), (172, 1423270), (215, 1138616), (344, 711635), (430, 569308), (860, 284654), (1720, 142327)]