204420164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1831}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 409342080

約数和(自身を除く): 204921916

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 113, 226, 247, 452, 494, 988, 1469, 1831, 2147, 2938, 3662, 4294, 5876, 7324, 8588, 23803, 27911, 34789, 47606, 55822, 69578, 95212, 111644, 139156, 206903, 413806, 452257, 827612, 904514, 1809028, 2689739, 3931157, 5379478, 7862314, 10758956, 15724628, 51105041, 102210082, 204420164]

約数ペア:

[(1, 204420164), (2, 102210082), (4, 51105041), (13, 15724628), (19, 10758956), (26, 7862314), (38, 5379478), (52, 3931157), (76, 2689739), (113, 1809028), (226, 904514), (247, 827612), (452, 452257), (494, 413806), (988, 206903), (1469, 139156), (1831, 111644), (2147, 95212), (2938, 69578), (3662, 55822), (4294, 47606), (5876, 34789), (7324, 27911), (8588, 23803)]