145284400

素因数分解:

$2^4\times 5^2\times {\mathrm{363211}}^1$

素因数の和:363229

約数の個数: 30

約数和(自身を含む): 349046732

約数和(自身を除く): 203762332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 363211, 726422, 1452844, 1816055, 2905688, 3632110, 5811376, 7264220, 9080275, 14528440, 18160550, 29056880, 36321100, 72642200, 145284400]

約数ペア:

[(1, 145284400), (2, 72642200), (4, 36321100), (5, 29056880), (8, 18160550), (10, 14528440), (16, 9080275), (20, 7264220), (25, 5811376), (40, 3632110), (50, 2905688), (80, 1816055), (100, 1452844), (200, 726422), (400, 363211)]