2188400

素因数分解:

$2^4\times 5^2\times {\mathrm{5471}}^1$

素因数の和:5489

約数の個数: 30

約数和(自身を含む): 5258592

約数和(自身を除く): 3070192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5471, 10942, 21884, 27355, 43768, 54710, 87536, 109420, 136775, 218840, 273550, 437680, 547100, 1094200, 2188400]

約数ペア:

[(1, 2188400), (2, 1094200), (4, 547100), (5, 437680), (8, 273550), (10, 218840), (16, 136775), (20, 109420), (25, 87536), (40, 54710), (50, 43768), (80, 27355), (100, 21884), (200, 10942), (400, 5471)]