2796400

素因数分解:

$2^4\times 5^2\times {\mathrm{6991}}^1$

素因数の和:7009

約数の個数: 30

約数和(自身を含む): 6719312

約数和(自身を除く): 3922912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6991, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 174775, 279640, 349550, 559280, 699100, 1398200, 2796400]

約数ペア:

[(1, 2796400), (2, 1398200), (4, 699100), (5, 559280), (8, 349550), (10, 279640), (16, 174775), (20, 139820), (25, 111856), (40, 69910), (50, 55928), (80, 34955), (100, 27964), (200, 13982), (400, 6991)]