18125800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 53434080

約数和(自身を除く): 35308280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 107, 110, 121, 140, 154, 175, 200, 214, 220, 242, 275, 280, 308, 350, 385, 428, 440, 484, 535, 550, 605, 616, 700, 749, 770, 847, 856, 968, 1070, 1100, 1177, 1210, 1400, 1498, 1540, 1694, 1925, 2140, 2200, 2354, 2420, 2675, 2996, 3025, 3080, 3388, 3745, 3850, 4235, 4280, 4708, 4840, 5350, 5885, 5992, 6050, 6776, 7490, 7700, 8239, 8470, 9416, 10700, 11770, 12100, 12947, 14980, 15400, 16478, 16940, 18725, 21175, 21400, 23540, 24200, 25894, 29425, 29960, 32956, 33880, 37450, 41195, 42350, 47080, 51788, 58850, 64735, 65912, 74900, 82390, 84700, 90629, 103576, 117700, 129470, 149800, 164780, 169400, 181258, 205975, 235400, 258940, 323675, 329560, 362516, 411950, 453145, 517880, 647350, 725032, 823900, 906290, 1294700, 1647800, 1812580, 2265725, 2589400, 3625160, 4531450, 9062900, 18125800]

約数ペア:

[(1, 18125800), (2, 9062900), (4, 4531450), (5, 3625160), (7, 2589400), (8, 2265725), (10, 1812580), (11, 1647800), (14, 1294700), (20, 906290), (22, 823900), (25, 725032), (28, 647350), (35, 517880), (40, 453145), (44, 411950), (50, 362516), (55, 329560), (56, 323675), (70, 258940), (77, 235400), (88, 205975), (100, 181258), (107, 169400), (110, 164780), (121, 149800), (140, 129470), (154, 117700), (175, 103576), (200, 90629), (214, 84700), (220, 82390), (242, 74900), (275, 65912), (280, 64735), (308, 58850), (350, 51788), (385, 47080), (428, 42350), (440, 41195), (484, 37450), (535, 33880), (550, 32956), (605, 29960), (616, 29425), (700, 25894), (749, 24200), (770, 23540), (847, 21400), (856, 21175), (968, 18725), (1070, 16940), (1100, 16478), (1177, 15400), (1210, 14980), (1400, 12947), (1498, 12100), (1540, 11770), (1694, 10700), (1925, 9416), (2140, 8470), (2200, 8239), (2354, 7700), (2420, 7490), (2675, 6776), (2996, 6050), (3025, 5992), (3080, 5885), (3388, 5350), (3745, 4840), (3850, 4708), (4235, 4280)]