2085820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 5040000

約数和(自身を除く): 2954180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 499, 836, 998, 1045, 1996, 2090, 2495, 4180, 4990, 5489, 9481, 9980, 10978, 18962, 21956, 27445, 37924, 47405, 54890, 94810, 104291, 109780, 189620, 208582, 417164, 521455, 1042910, 2085820]

約数ペア:

[(1, 2085820), (2, 1042910), (4, 521455), (5, 417164), (10, 208582), (11, 189620), (19, 109780), (20, 104291), (22, 94810), (38, 54890), (44, 47405), (55, 37924), (76, 27445), (95, 21956), (110, 18962), (190, 10978), (209, 9980), (220, 9481), (380, 5489), (418, 4990), (499, 4180), (836, 2495), (998, 2090), (1045, 1996)]