2179600

素因数分解:

$2^4\times 5^2\times {\mathrm{5449}}^1$

素因数の和:5467

約数の個数: 30

約数和(自身を含む): 5237450

約数和(自身を除く): 3057850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5449, 10898, 21796, 27245, 43592, 54490, 87184, 108980, 136225, 217960, 272450, 435920, 544900, 1089800, 2179600]

約数ペア:

[(1, 2179600), (2, 1089800), (4, 544900), (5, 435920), (8, 272450), (10, 217960), (16, 136225), (20, 108980), (25, 87184), (40, 54490), (50, 43592), (80, 27245), (100, 21796), (200, 10898), (400, 5449)]