2219800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1009}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 5635800

約数和(自身を除く): 3416000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1009, 1100, 2018, 2200, 4036, 5045, 8072, 10090, 11099, 20180, 22198, 25225, 40360, 44396, 50450, 55495, 88792, 100900, 110990, 201800, 221980, 277475, 443960, 554950, 1109900, 2219800]

約数ペア:

[(1, 2219800), (2, 1109900), (4, 554950), (5, 443960), (8, 277475), (10, 221980), (11, 201800), (20, 110990), (22, 100900), (25, 88792), (40, 55495), (44, 50450), (50, 44396), (55, 40360), (88, 25225), (100, 22198), (110, 20180), (200, 11099), (220, 10090), (275, 8072), (440, 5045), (550, 4036), (1009, 2200), (1100, 2018)]