199320520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{711859}}^1$

素因数の和:711877

約数の個数: 32

約数和(自身を含む): 512539200

約数和(自身を除く): 313218680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 711859, 1423718, 2847436, 3559295, 4983013, 5694872, 7118590, 9966026, 14237180, 19932052, 24915065, 28474360, 39864104, 49830130, 99660260, 199320520]

約数ペア:

[(1, 199320520), (2, 99660260), (4, 49830130), (5, 39864104), (7, 28474360), (8, 24915065), (10, 19932052), (14, 14237180), (20, 9966026), (28, 7118590), (35, 5694872), (40, 4983013), (56, 3559295), (70, 2847436), (140, 1423718), (280, 711859)]