210905740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620311}}^1$

素因数の和:620337

約数の個数: 24

約数和(自身を含む): 468955872

約数和(自身を除く): 258050132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 620311, 1240622, 2481244, 3101555, 6203110, 10545287, 12406220, 21090574, 42181148, 52726435, 105452870, 210905740]

約数ペア:

[(1, 210905740), (2, 105452870), (4, 52726435), (5, 42181148), (10, 21090574), (17, 12406220), (20, 10545287), (34, 6203110), (68, 3101555), (85, 2481244), (170, 1240622), (340, 620311)]