2051236775

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 3049559280

約数和(自身を除く): 998322505

約数列:

[1, 5, 7, 25, 35, 49, 59, 101, 175, 245, 281, 295, 413, 505, 707, 1225, 1405, 1475, 1967, 2065, 2525, 2891, 3535, 4949, 5959, 7025, 9835, 10325, 13769, 14455, 16579, 17675, 24745, 28381, 29795, 41713, 49175, 68845, 72275, 82895, 116053, 123725, 141905, 148975, 198667, 208565, 291991, 344225, 414475, 580265, 709525, 812371, 993335, 1042825, 1390669, 1459955, 1674479, 2901325, 4061855, 4966675, 6953345, 7299775, 8372395, 11721353, 20309275, 34766725, 41861975, 58606765, 82049471, 293033825, 410247355, 2051236775]

約数ペア:

[(1, 2051236775), (5, 410247355), (7, 293033825), (25, 82049471), (35, 58606765), (49, 41861975), (59, 34766725), (101, 20309275), (175, 11721353), (245, 8372395), (281, 7299775), (295, 6953345), (413, 4966675), (505, 4061855), (707, 2901325), (1225, 1674479), (1405, 1459955), (1475, 1390669), (1967, 1042825), (2065, 993335), (2525, 812371), (2891, 709525), (3535, 580265), (4949, 414475), (5959, 344225), (7025, 291991), (9835, 208565), (10325, 198667), (13769, 148975), (14455, 141905), (16579, 123725), (17675, 116053), (24745, 82895), (28381, 72275), (29795, 68845), (41713, 49175)]