388632023720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{225948851}}^1$

素因数の和:225948905

約数の個数: 32

約数和(自身を含む): 894757453920

約数和(自身を除く): 506125430200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 225948851, 451897702, 903795404, 1129744255, 1807590808, 2259488510, 4518977020, 9037954040, 9715800593, 19431601186, 38863202372, 48579002965, 77726404744, 97158005930, 194316011860, 388632023720]

約数ペア:

[(1, 388632023720), (2, 194316011860), (4, 97158005930), (5, 77726404744), (8, 48579002965), (10, 38863202372), (20, 19431601186), (40, 9715800593), (43, 9037954040), (86, 4518977020), (172, 2259488510), (215, 1807590808), (344, 1129744255), (430, 903795404), (860, 451897702), (1720, 225948851)]