201438140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{437909}}^1$

素因数の和:437941

約数の個数: 24

約数和(自身を含む): 441413280

約数和(自身を除く): 239975140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 437909, 875818, 1751636, 2189545, 4379090, 8758180, 10071907, 20143814, 40287628, 50359535, 100719070, 201438140]

約数ペア:

[(1, 201438140), (2, 100719070), (4, 50359535), (5, 40287628), (10, 20143814), (20, 10071907), (23, 8758180), (46, 4379090), (92, 2189545), (115, 1751636), (230, 875818), (460, 437909)]