2553040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 6999552

約数和(自身を除く): 4446512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 97, 112, 140, 188, 194, 235, 280, 329, 376, 388, 470, 485, 560, 658, 679, 752, 776, 940, 970, 1316, 1358, 1552, 1645, 1880, 1940, 2632, 2716, 3290, 3395, 3760, 3880, 4559, 5264, 5432, 6580, 6790, 7760, 9118, 10864, 13160, 13580, 18236, 22795, 26320, 27160, 31913, 36472, 45590, 54320, 63826, 72944, 91180, 127652, 159565, 182360, 255304, 319130, 364720, 510608, 638260, 1276520, 2553040]

約数ペア:

[(1, 2553040), (2, 1276520), (4, 638260), (5, 510608), (7, 364720), (8, 319130), (10, 255304), (14, 182360), (16, 159565), (20, 127652), (28, 91180), (35, 72944), (40, 63826), (47, 54320), (56, 45590), (70, 36472), (80, 31913), (94, 27160), (97, 26320), (112, 22795), (140, 18236), (188, 13580), (194, 13160), (235, 10864), (280, 9118), (329, 7760), (376, 6790), (388, 6580), (470, 5432), (485, 5264), (560, 4559), (658, 3880), (679, 3760), (752, 3395), (776, 3290), (940, 2716), (970, 2632), (1316, 1940), (1358, 1880), (1552, 1645)]