18911200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 57746304

約数和(自身を除く): 38835104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 307, 308, 350, 352, 385, 400, 440, 550, 560, 614, 616, 700, 770, 800, 880, 1100, 1120, 1228, 1232, 1400, 1535, 1540, 1760, 1925, 2149, 2200, 2456, 2464, 2800, 3070, 3080, 3377, 3850, 4298, 4400, 4912, 5600, 6140, 6160, 6754, 7675, 7700, 8596, 8800, 9824, 10745, 12280, 12320, 13508, 15350, 15400, 16885, 17192, 21490, 23639, 24560, 27016, 30700, 30800, 33770, 34384, 42980, 47278, 49120, 53725, 54032, 61400, 61600, 67540, 68768, 84425, 85960, 94556, 107450, 108064, 118195, 122800, 135080, 168850, 171920, 189112, 214900, 236390, 245600, 270160, 337700, 343840, 378224, 429800, 472780, 540320, 590975, 675400, 756448, 859600, 945560, 1181950, 1350800, 1719200, 1891120, 2363900, 2701600, 3782240, 4727800, 9455600, 18911200]

約数ペア:

[(1, 18911200), (2, 9455600), (4, 4727800), (5, 3782240), (7, 2701600), (8, 2363900), (10, 1891120), (11, 1719200), (14, 1350800), (16, 1181950), (20, 945560), (22, 859600), (25, 756448), (28, 675400), (32, 590975), (35, 540320), (40, 472780), (44, 429800), (50, 378224), (55, 343840), (56, 337700), (70, 270160), (77, 245600), (80, 236390), (88, 214900), (100, 189112), (110, 171920), (112, 168850), (140, 135080), (154, 122800), (160, 118195), (175, 108064), (176, 107450), (200, 94556), (220, 85960), (224, 84425), (275, 68768), (280, 67540), (307, 61600), (308, 61400), (350, 54032), (352, 53725), (385, 49120), (400, 47278), (440, 42980), (550, 34384), (560, 33770), (614, 30800), (616, 30700), (700, 27016), (770, 24560), (800, 23639), (880, 21490), (1100, 17192), (1120, 16885), (1228, 15400), (1232, 15350), (1400, 13508), (1535, 12320), (1540, 12280), (1760, 10745), (1925, 9824), (2149, 8800), (2200, 8596), (2456, 7700), (2464, 7675), (2800, 6754), (3070, 6160), (3080, 6140), (3377, 5600), (3850, 4912), (4298, 4400)]