1909968400

素因数分解:

$2^4\times 5^2\times {\mathrm{4774921}}^1$

素因数の和:4774939

約数の個数: 30

約数和(自身を含む): 4588700042

約数和(自身を除く): 2678731642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4774921, 9549842, 19099684, 23874605, 38199368, 47749210, 76398736, 95498420, 119373025, 190996840, 238746050, 381993680, 477492100, 954984200, 1909968400]

約数ペア:

[(1, 1909968400), (2, 954984200), (4, 477492100), (5, 381993680), (8, 238746050), (10, 190996840), (16, 119373025), (20, 95498420), (25, 76398736), (40, 47749210), (50, 38199368), (80, 23874605), (100, 19099684), (200, 9549842), (400, 4774921)]