138936400

素因数分解:

$2^4\times 5^2\times {\mathrm{347341}}^1$

素因数の和:347359

約数の個数: 30

約数和(自身を含む): 333795662

約数和(自身を除く): 194859262

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 347341, 694682, 1389364, 1736705, 2778728, 3473410, 5557456, 6946820, 8683525, 13893640, 17367050, 27787280, 34734100, 69468200, 138936400]

約数ペア:

[(1, 138936400), (2, 69468200), (4, 34734100), (5, 27787280), (8, 17367050), (10, 13893640), (16, 8683525), (20, 6946820), (25, 5557456), (40, 3473410), (50, 2778728), (80, 1736705), (100, 1389364), (200, 694682), (400, 347341)]