265712440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{948973}}^1$

素因数の和:948991

約数の個数: 32

約数和(自身を含む): 683261280

約数和(自身を除く): 417548840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 948973, 1897946, 3795892, 4744865, 6642811, 7591784, 9489730, 13285622, 18979460, 26571244, 33214055, 37958920, 53142488, 66428110, 132856220, 265712440]

約数ペア:

[(1, 265712440), (2, 132856220), (4, 66428110), (5, 53142488), (7, 37958920), (8, 33214055), (10, 26571244), (14, 18979460), (20, 13285622), (28, 9489730), (35, 7591784), (40, 6642811), (56, 4744865), (70, 3795892), (140, 1897946), (280, 948973)]