7920740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 17684352

約数和(自身を除く): 9763612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 257, 268, 335, 460, 514, 670, 1028, 1285, 1340, 1541, 2570, 3082, 5140, 5911, 6164, 7705, 11822, 15410, 17219, 23644, 29555, 30820, 34438, 59110, 68876, 86095, 118220, 172190, 344380, 396037, 792074, 1584148, 1980185, 3960370, 7920740]

約数ペア:

[(1, 7920740), (2, 3960370), (4, 1980185), (5, 1584148), (10, 792074), (20, 396037), (23, 344380), (46, 172190), (67, 118220), (92, 86095), (115, 68876), (134, 59110), (230, 34438), (257, 30820), (268, 29555), (335, 23644), (460, 17219), (514, 15410), (670, 11822), (1028, 7705), (1285, 6164), (1340, 5911), (1541, 5140), (2570, 3082)]