168809725

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 262665728

約数和(自身を除く): 93856003

約数列:

[1, 5, 7, 25, 29, 31, 35, 37, 145, 155, 175, 185, 203, 217, 259, 725, 775, 841, 899, 925, 1015, 1073, 1085, 1147, 1295, 4205, 4495, 5075, 5365, 5425, 5735, 5887, 6293, 6475, 7511, 8029, 21025, 22475, 26071, 26825, 28675, 29435, 31117, 31465, 33263, 37555, 40145, 130355, 147175, 155585, 157325, 166315, 182497, 187775, 200725, 217819, 232841, 651775, 777925, 831575, 912485, 964627, 1089095, 1164205, 4562425, 4823135, 5445475, 5821025, 6752389, 24115675, 33761945, 168809725]

約数ペア:

[(1, 168809725), (5, 33761945), (7, 24115675), (25, 6752389), (29, 5821025), (31, 5445475), (35, 4823135), (37, 4562425), (145, 1164205), (155, 1089095), (175, 964627), (185, 912485), (203, 831575), (217, 777925), (259, 651775), (725, 232841), (775, 217819), (841, 200725), (899, 187775), (925, 182497), (1015, 166315), (1073, 157325), (1085, 155585), (1147, 147175), (1295, 130355), (4205, 40145), (4495, 37555), (5075, 33263), (5365, 31465), (5425, 31117), (5735, 29435), (5887, 28675), (6293, 26825), (6475, 26071), (7511, 22475), (8029, 21025)]