201912860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{438941}}^1$

素因数の和:438973

約数の個数: 24

約数和(自身を含む): 442453536

約数和(自身を除く): 240540676

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 438941, 877882, 1755764, 2194705, 4389410, 8778820, 10095643, 20191286, 40382572, 50478215, 100956430, 201912860]

約数ペア:

[(1, 201912860), (2, 100956430), (4, 50478215), (5, 40382572), (10, 20191286), (20, 10095643), (23, 8778820), (46, 4389410), (92, 2194705), (115, 1755764), (230, 877882), (460, 438941)]