197612800

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 216

約数和(自身を含む): 611335872

約数和(自身を除く): 413723072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 128, 140, 154, 160, 175, 176, 200, 220, 224, 256, 275, 280, 308, 320, 350, 352, 385, 400, 401, 440, 448, 550, 560, 616, 640, 700, 704, 770, 800, 802, 880, 896, 1100, 1120, 1232, 1280, 1400, 1408, 1540, 1600, 1604, 1760, 1792, 1925, 2005, 2200, 2240, 2464, 2800, 2807, 2816, 3080, 3200, 3208, 3520, 3850, 4010, 4400, 4411, 4480, 4928, 5600, 5614, 6160, 6400, 6416, 7040, 7700, 8020, 8800, 8822, 8960, 9856, 10025, 11200, 11228, 12320, 12832, 14035, 14080, 15400, 16040, 17600, 17644, 19712, 20050, 22055, 22400, 22456, 24640, 25664, 28070, 30800, 30877, 32080, 35200, 35288, 40100, 44110, 44800, 44912, 49280, 51328, 56140, 61600, 61754, 64160, 70175, 70400, 70576, 80200, 88220, 89824, 98560, 102656, 110275, 112280, 123200, 123508, 128320, 140350, 141152, 154385, 160400, 176440, 179648, 220550, 224560, 246400, 247016, 256640, 280700, 282304, 308770, 320800, 352880, 359296, 441100, 449120, 492800, 494032, 513280, 561400, 564608, 617540, 641600, 705760, 718592, 771925, 882200, 898240, 988064, 1122800, 1129216, 1235080, 1283200, 1411520, 1543850, 1764400, 1796480, 1976128, 2245600, 2470160, 2566400, 2823040, 3087700, 3528800, 3592960, 3952256, 4491200, 4940320, 5646080, 6175400, 7057600, 7904512, 8982400, 9880640, 12350800, 14115200, 17964800, 19761280, 24701600, 28230400, 39522560, 49403200, 98806400, 197612800]

約数ペア:

[(1, 197612800), (2, 98806400), (4, 49403200), (5, 39522560), (7, 28230400), (8, 24701600), (10, 19761280), (11, 17964800), (14, 14115200), (16, 12350800), (20, 9880640), (22, 8982400), (25, 7904512), (28, 7057600), (32, 6175400), (35, 5646080), (40, 4940320), (44, 4491200), (50, 3952256), (55, 3592960), (56, 3528800), (64, 3087700), (70, 2823040), (77, 2566400), (80, 2470160), (88, 2245600), (100, 1976128), (110, 1796480), (112, 1764400), (128, 1543850), (140, 1411520), (154, 1283200), (160, 1235080), (175, 1129216), (176, 1122800), (200, 988064), (220, 898240), (224, 882200), (256, 771925), (275, 718592), (280, 705760), (308, 641600), (320, 617540), (350, 564608), (352, 561400), (385, 513280), (400, 494032), (401, 492800), (440, 449120), (448, 441100), (550, 359296), (560, 352880), (616, 320800), (640, 308770), (700, 282304), (704, 280700), (770, 256640), (800, 247016), (802, 246400), (880, 224560), (896, 220550), (1100, 179648), (1120, 176440), (1232, 160400), (1280, 154385), (1400, 141152), (1408, 140350), (1540, 128320), (1600, 123508), (1604, 123200), (1760, 112280), (1792, 110275), (1925, 102656), (2005, 98560), (2200, 89824), (2240, 88220), (2464, 80200), (2800, 70576), (2807, 70400), (2816, 70175), (3080, 64160), (3200, 61754), (3208, 61600), (3520, 56140), (3850, 51328), (4010, 49280), (4400, 44912), (4411, 44800), (4480, 44110), (4928, 40100), (5600, 35288), (5614, 35200), (6160, 32080), (6400, 30877), (6416, 30800), (7040, 28070), (7700, 25664), (8020, 24640), (8800, 22456), (8822, 22400), (8960, 22055), (9856, 20050), (10025, 19712), (11200, 17644), (11228, 17600), (12320, 16040), (12832, 15400), (14035, 14080)]