240520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{859}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 619200

約数和(自身を除く): 378680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 859, 1718, 3436, 4295, 6013, 6872, 8590, 12026, 17180, 24052, 30065, 34360, 48104, 60130, 120260, 240520]

約数ペア:

[(1, 240520), (2, 120260), (4, 60130), (5, 48104), (7, 34360), (8, 30065), (10, 24052), (14, 17180), (20, 12026), (28, 8590), (35, 6872), (40, 6013), (56, 4295), (70, 3436), (140, 1718), (280, 859)]