209968400

素因数分解:

$2^4\times 5^2\times {\mathrm{524921}}^1$

素因数の和:524939

約数の個数: 30

約数和(自身を含む): 504450042

約数和(自身を除く): 294481642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 524921, 1049842, 2099684, 2624605, 4199368, 5249210, 8398736, 10498420, 13123025, 20996840, 26246050, 41993680, 52492100, 104984200, 209968400]

約数ペア:

[(1, 209968400), (2, 104984200), (4, 52492100), (5, 41993680), (8, 26246050), (10, 20996840), (16, 13123025), (20, 10498420), (25, 8398736), (40, 5249210), (50, 4199368), (80, 2624605), (100, 2099684), (200, 1049842), (400, 524921)]