1690400

素因数分解:

$2^5\times 5^2\times {\mathrm{2113}}^1$

素因数の和:2133

約数の個数: 36

約数和(自身を含む): 4128642

約数和(自身を除く): 2438242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2113, 4226, 8452, 10565, 16904, 21130, 33808, 42260, 52825, 67616, 84520, 105650, 169040, 211300, 338080, 422600, 845200, 1690400]

約数ペア:

[(1, 1690400), (2, 845200), (4, 422600), (5, 338080), (8, 211300), (10, 169040), (16, 105650), (20, 84520), (25, 67616), (32, 52825), (40, 42260), (50, 33808), (80, 21130), (100, 16904), (160, 10565), (200, 8452), (400, 4226), (800, 2113)]