201431240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{218947}}^1$

素因数の和:218981

約数の個数: 32

約数和(自身を含む): 472927680

約数和(自身を除く): 271496440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 218947, 437894, 875788, 1094735, 1751576, 2189470, 4378940, 5035781, 8757880, 10071562, 20143124, 25178905, 40286248, 50357810, 100715620, 201431240]

約数ペア:

[(1, 201431240), (2, 100715620), (4, 50357810), (5, 40286248), (8, 25178905), (10, 20143124), (20, 10071562), (23, 8757880), (40, 5035781), (46, 4378940), (92, 2189470), (115, 1751576), (184, 1094735), (230, 875788), (460, 437894), (920, 218947)]