350778850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1009}}^1$

素因数の和:1447

約数の個数: 48

約数和(自身を含む): 693203400

約数和(自身を除く): 342424550

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 409, 425, 818, 850, 1009, 2018, 2045, 4090, 5045, 6953, 10090, 10225, 13906, 17153, 20450, 25225, 34306, 34765, 50450, 69530, 85765, 171530, 173825, 347650, 412681, 428825, 825362, 857650, 2063405, 4126810, 7015577, 10317025, 14031154, 20634050, 35077885, 70155770, 175389425, 350778850]

約数ペア:

[(1, 350778850), (2, 175389425), (5, 70155770), (10, 35077885), (17, 20634050), (25, 14031154), (34, 10317025), (50, 7015577), (85, 4126810), (170, 2063405), (409, 857650), (425, 825362), (818, 428825), (850, 412681), (1009, 347650), (2018, 173825), (2045, 171530), (4090, 85765), (5045, 69530), (6953, 50450), (10090, 34765), (10225, 34306), (13906, 25225), (17153, 20450)]