218829160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{497339}}^1$

素因数の和:497361

約数の個数: 32

約数和(自身を含む): 537127200

約数和(自身を除く): 318298040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 497339, 994678, 1989356, 2486695, 3978712, 4973390, 5470729, 9946780, 10941458, 19893560, 21882916, 27353645, 43765832, 54707290, 109414580, 218829160]

約数ペア:

[(1, 218829160), (2, 109414580), (4, 54707290), (5, 43765832), (8, 27353645), (10, 21882916), (11, 19893560), (20, 10941458), (22, 9946780), (40, 5470729), (44, 4973390), (55, 3978712), (88, 2486695), (110, 1989356), (220, 994678), (440, 497339)]