156923391260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{111949}}^1$

素因数の和:112710

約数の個数: 48

約数和(自身を含む): 333082596000

約数和(自身を除く): 176159204740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 643, 1090, 1286, 2180, 2572, 3215, 6430, 12860, 70087, 111949, 140174, 223898, 280348, 350435, 447796, 559745, 700870, 1119490, 1401740, 2238980, 12202441, 24404882, 48809764, 61012205, 71983207, 122024410, 143966414, 244048820, 287932828, 359916035, 719832070, 1439664140, 7846169563, 15692339126, 31384678252, 39230847815, 78461695630, 156923391260]

約数ペア:

[(1, 156923391260), (2, 78461695630), (4, 39230847815), (5, 31384678252), (10, 15692339126), (20, 7846169563), (109, 1439664140), (218, 719832070), (436, 359916035), (545, 287932828), (643, 244048820), (1090, 143966414), (1286, 122024410), (2180, 71983207), (2572, 61012205), (3215, 48809764), (6430, 24404882), (12860, 12202441), (70087, 2238980), (111949, 1401740), (140174, 1119490), (223898, 700870), (280348, 559745), (350435, 447796)]