255871504

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 599961600

約数和(自身を除く): 344090096

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 71, 92, 112, 142, 161, 184, 284, 322, 368, 497, 568, 644, 994, 1136, 1288, 1399, 1633, 1988, 2576, 2798, 3266, 3976, 5596, 6532, 7952, 9793, 11192, 11431, 13064, 19586, 22384, 22862, 26128, 32177, 39172, 45724, 64354, 78344, 91448, 99329, 128708, 156688, 182896, 198658, 225239, 257416, 397316, 450478, 514832, 695303, 794632, 900956, 1390606, 1589264, 1801912, 2284567, 2781212, 3603824, 4569134, 5562424, 9138268, 11124848, 15991969, 18276536, 31983938, 36553072, 63967876, 127935752, 255871504]

約数ペア:

[(1, 255871504), (2, 127935752), (4, 63967876), (7, 36553072), (8, 31983938), (14, 18276536), (16, 15991969), (23, 11124848), (28, 9138268), (46, 5562424), (56, 4569134), (71, 3603824), (92, 2781212), (112, 2284567), (142, 1801912), (161, 1589264), (184, 1390606), (284, 900956), (322, 794632), (368, 695303), (497, 514832), (568, 450478), (644, 397316), (994, 257416), (1136, 225239), (1288, 198658), (1399, 182896), (1633, 156688), (1988, 128708), (2576, 99329), (2798, 91448), (3266, 78344), (3976, 64354), (5596, 45724), (6532, 39172), (7952, 32177), (9793, 26128), (11192, 22862), (11431, 22384), (13064, 19586)]