2797480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 7338240

約数和(自身を除く): 4540760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 103, 140, 194, 206, 280, 388, 412, 485, 515, 679, 721, 776, 824, 970, 1030, 1358, 1442, 1940, 2060, 2716, 2884, 3395, 3605, 3880, 4120, 5432, 5768, 6790, 7210, 9991, 13580, 14420, 19982, 27160, 28840, 39964, 49955, 69937, 79928, 99910, 139874, 199820, 279748, 349685, 399640, 559496, 699370, 1398740, 2797480]

約数ペア:

[(1, 2797480), (2, 1398740), (4, 699370), (5, 559496), (7, 399640), (8, 349685), (10, 279748), (14, 199820), (20, 139874), (28, 99910), (35, 79928), (40, 69937), (56, 49955), (70, 39964), (97, 28840), (103, 27160), (140, 19982), (194, 14420), (206, 13580), (280, 9991), (388, 7210), (412, 6790), (485, 5768), (515, 5432), (679, 4120), (721, 3880), (776, 3605), (824, 3395), (970, 2884), (1030, 2716), (1358, 2060), (1442, 1940)]