2748400

素因数分解:

$2^4\times 5^2\times {\mathrm{6871}}^1$

素因数の和:6889

約数の個数: 30

約数和(自身を含む): 6603992

約数和(自身を除く): 3855592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6871, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 171775, 274840, 343550, 549680, 687100, 1374200, 2748400]

約数ペア:

[(1, 2748400), (2, 1374200), (4, 687100), (5, 549680), (8, 343550), (10, 274840), (16, 171775), (20, 137420), (25, 109936), (40, 68710), (50, 54968), (80, 34355), (100, 27484), (200, 13742), (400, 6871)]