206542340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 446638080

約数和(自身を除く): 240095740

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1580, 2143, 4286, 4819, 8572, 9638, 10715, 19276, 21430, 24095, 42860, 48190, 96380, 130723, 169297, 261446, 338594, 522892, 653615, 677188, 846485, 1307230, 1692970, 2614460, 3385940, 10327117, 20654234, 41308468, 51635585, 103271170, 206542340]

約数ペア:

[(1, 206542340), (2, 103271170), (4, 51635585), (5, 41308468), (10, 20654234), (20, 10327117), (61, 3385940), (79, 2614460), (122, 1692970), (158, 1307230), (244, 846485), (305, 677188), (316, 653615), (395, 522892), (610, 338594), (790, 261446), (1220, 169297), (1580, 130723), (2143, 96380), (4286, 48190), (4819, 42860), (8572, 24095), (9638, 21430), (10715, 19276)]