76755620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 164490480

約数和(自身を除く): 87734860

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 257, 274, 436, 514, 545, 548, 685, 1028, 1090, 1285, 1370, 2180, 2570, 2740, 5140, 14933, 28013, 29866, 35209, 56026, 59732, 70418, 74665, 112052, 140065, 140836, 149330, 176045, 280130, 298660, 352090, 560260, 704180, 3837781, 7675562, 15351124, 19188905, 38377810, 76755620]

約数ペア:

[(1, 76755620), (2, 38377810), (4, 19188905), (5, 15351124), (10, 7675562), (20, 3837781), (109, 704180), (137, 560260), (218, 352090), (257, 298660), (274, 280130), (436, 176045), (514, 149330), (545, 140836), (548, 140065), (685, 112052), (1028, 74665), (1090, 70418), (1285, 59732), (1370, 56026), (2180, 35209), (2570, 29866), (2740, 28013), (5140, 14933)]