1800860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 3816960

約数和(自身を除く): 2016100

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 709, 1270, 1418, 2540, 2836, 3545, 7090, 14180, 90043, 180086, 360172, 450215, 900430, 1800860]

約数ペア:

[(1, 1800860), (2, 900430), (4, 450215), (5, 360172), (10, 180086), (20, 90043), (127, 14180), (254, 7090), (508, 3545), (635, 2836), (709, 2540), (1270, 1418)]