26978000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 160

約数和(自身を含む): 77995008

約数和(自身を除く): 51017008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 47, 50, 56, 70, 80, 82, 94, 100, 112, 125, 140, 164, 175, 188, 200, 205, 235, 250, 280, 287, 328, 329, 350, 376, 400, 410, 470, 500, 560, 574, 656, 658, 700, 752, 820, 875, 940, 1000, 1025, 1148, 1175, 1316, 1400, 1435, 1640, 1645, 1750, 1880, 1927, 2000, 2050, 2296, 2350, 2632, 2800, 2870, 3280, 3290, 3500, 3760, 3854, 4100, 4592, 4700, 5125, 5264, 5740, 5875, 6580, 7000, 7175, 7708, 8200, 8225, 9400, 9635, 10250, 11480, 11750, 13160, 13489, 14000, 14350, 15416, 16400, 16450, 18800, 19270, 20500, 22960, 23500, 26320, 26978, 28700, 30832, 32900, 35875, 38540, 41000, 41125, 47000, 48175, 53956, 57400, 65800, 67445, 71750, 77080, 82000, 82250, 94000, 96350, 107912, 114800, 131600, 134890, 143500, 154160, 164500, 192700, 215824, 240875, 269780, 287000, 329000, 337225, 385400, 481750, 539560, 574000, 658000, 674450, 770800, 963500, 1079120, 1348900, 1686125, 1927000, 2697800, 3372250, 3854000, 5395600, 6744500, 13489000, 26978000]

約数ペア:

[(1, 26978000), (2, 13489000), (4, 6744500), (5, 5395600), (7, 3854000), (8, 3372250), (10, 2697800), (14, 1927000), (16, 1686125), (20, 1348900), (25, 1079120), (28, 963500), (35, 770800), (40, 674450), (41, 658000), (47, 574000), (50, 539560), (56, 481750), (70, 385400), (80, 337225), (82, 329000), (94, 287000), (100, 269780), (112, 240875), (125, 215824), (140, 192700), (164, 164500), (175, 154160), (188, 143500), (200, 134890), (205, 131600), (235, 114800), (250, 107912), (280, 96350), (287, 94000), (328, 82250), (329, 82000), (350, 77080), (376, 71750), (400, 67445), (410, 65800), (470, 57400), (500, 53956), (560, 48175), (574, 47000), (656, 41125), (658, 41000), (700, 38540), (752, 35875), (820, 32900), (875, 30832), (940, 28700), (1000, 26978), (1025, 26320), (1148, 23500), (1175, 22960), (1316, 20500), (1400, 19270), (1435, 18800), (1640, 16450), (1645, 16400), (1750, 15416), (1880, 14350), (1927, 14000), (2000, 13489), (2050, 13160), (2296, 11750), (2350, 11480), (2632, 10250), (2800, 9635), (2870, 9400), (3280, 8225), (3290, 8200), (3500, 7708), (3760, 7175), (3854, 7000), (4100, 6580), (4592, 5875), (4700, 5740), (5125, 5264)]