408975280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7529}}^1$

素因数の和:7646

約数の個数: 80

約数和(自身を含む): 1098054720

約数和(自身を除く): 689079440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1552, 1940, 2716, 3395, 3880, 5432, 6790, 7529, 7760, 10864, 13580, 15058, 27160, 30116, 37645, 52703, 54320, 60232, 75290, 105406, 120464, 150580, 210812, 263515, 301160, 421624, 527030, 602320, 730313, 843248, 1054060, 1460626, 2108120, 2921252, 3651565, 4216240, 5112191, 5842504, 7303130, 10224382, 11685008, 14606260, 20448764, 25560955, 29212520, 40897528, 51121910, 58425040, 81795056, 102243820, 204487640, 408975280]

約数ペア:

[(1, 408975280), (2, 204487640), (4, 102243820), (5, 81795056), (7, 58425040), (8, 51121910), (10, 40897528), (14, 29212520), (16, 25560955), (20, 20448764), (28, 14606260), (35, 11685008), (40, 10224382), (56, 7303130), (70, 5842504), (80, 5112191), (97, 4216240), (112, 3651565), (140, 2921252), (194, 2108120), (280, 1460626), (388, 1054060), (485, 843248), (560, 730313), (679, 602320), (776, 527030), (970, 421624), (1358, 301160), (1552, 263515), (1940, 210812), (2716, 150580), (3395, 120464), (3880, 105406), (5432, 75290), (6790, 60232), (7529, 54320), (7760, 52703), (10864, 37645), (13580, 30116), (15058, 27160)]