128523740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{378011}}^1$

素因数の和:378037

約数の個数: 24

約数和(自身を含む): 285777072

約数和(自身を除く): 157253332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 378011, 756022, 1512044, 1890055, 3780110, 6426187, 7560220, 12852374, 25704748, 32130935, 64261870, 128523740]

約数ペア:

[(1, 128523740), (2, 64261870), (4, 32130935), (5, 25704748), (10, 12852374), (17, 7560220), (20, 6426187), (34, 3780110), (68, 1890055), (85, 1512044), (170, 756022), (340, 378011)]