204020488

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 468236160

約数和(自身を除く): 264215672

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 92, 97, 142, 161, 184, 194, 284, 322, 388, 497, 529, 568, 644, 679, 776, 994, 1058, 1288, 1358, 1633, 1988, 2116, 2231, 2716, 3266, 3703, 3976, 4232, 4462, 5432, 6532, 6887, 7406, 8924, 11431, 13064, 13774, 14812, 15617, 17848, 22862, 27548, 29624, 31234, 37559, 45724, 48209, 51313, 55096, 62468, 75118, 91448, 96418, 102626, 124936, 150236, 158401, 192836, 205252, 262913, 300472, 316802, 359191, 385672, 410504, 525826, 633604, 718382, 1051652, 1108807, 1267208, 1436764, 2103304, 2217614, 2873528, 3643223, 4435228, 7286446, 8870456, 14572892, 25502561, 29145784, 51005122, 102010244, 204020488]

約数ペア:

[(1, 204020488), (2, 102010244), (4, 51005122), (7, 29145784), (8, 25502561), (14, 14572892), (23, 8870456), (28, 7286446), (46, 4435228), (56, 3643223), (71, 2873528), (92, 2217614), (97, 2103304), (142, 1436764), (161, 1267208), (184, 1108807), (194, 1051652), (284, 718382), (322, 633604), (388, 525826), (497, 410504), (529, 385672), (568, 359191), (644, 316802), (679, 300472), (776, 262913), (994, 205252), (1058, 192836), (1288, 158401), (1358, 150236), (1633, 124936), (1988, 102626), (2116, 96418), (2231, 91448), (2716, 75118), (3266, 62468), (3703, 55096), (3976, 51313), (4232, 48209), (4462, 45724), (5432, 37559), (6532, 31234), (6887, 29624), (7406, 27548), (8924, 22862), (11431, 17848), (13064, 15617), (13774, 14812)]