1329128920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{6991}}^1$

素因数の和:7113

約数の個数: 96

約数和(自身を含む): 3515158080

約数和(自身を除く): 2186029160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 388, 392, 485, 490, 679, 776, 970, 980, 1358, 1940, 1960, 2716, 3395, 3880, 4753, 5432, 6790, 6991, 9506, 13580, 13982, 19012, 23765, 27160, 27964, 34955, 38024, 47530, 48937, 55928, 69910, 95060, 97874, 139820, 190120, 195748, 244685, 279640, 342559, 391496, 489370, 678127, 685118, 978740, 1356254, 1370236, 1712795, 1957480, 2712508, 2740472, 3390635, 3425590, 4746889, 5425016, 6781270, 6851180, 9493778, 13562540, 13702360, 18987556, 23734445, 27125080, 33228223, 37975112, 47468890, 66456446, 94937780, 132912892, 166141115, 189875560, 265825784, 332282230, 664564460, 1329128920]

約数ペア:

[(1, 1329128920), (2, 664564460), (4, 332282230), (5, 265825784), (7, 189875560), (8, 166141115), (10, 132912892), (14, 94937780), (20, 66456446), (28, 47468890), (35, 37975112), (40, 33228223), (49, 27125080), (56, 23734445), (70, 18987556), (97, 13702360), (98, 13562540), (140, 9493778), (194, 6851180), (196, 6781270), (245, 5425016), (280, 4746889), (388, 3425590), (392, 3390635), (485, 2740472), (490, 2712508), (679, 1957480), (776, 1712795), (970, 1370236), (980, 1356254), (1358, 978740), (1940, 685118), (1960, 678127), (2716, 489370), (3395, 391496), (3880, 342559), (4753, 279640), (5432, 244685), (6790, 195748), (6991, 190120), (9506, 139820), (13580, 97874), (13982, 95060), (19012, 69910), (23765, 55928), (27160, 48937), (27964, 47530), (34955, 38024)]