189717520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 458684928

約数和(自身を除く): 268967408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 310, 337, 454, 496, 620, 674, 908, 1135, 1240, 1348, 1685, 1816, 2270, 2480, 2696, 3370, 3632, 4540, 5392, 6740, 7037, 9080, 10447, 13480, 14074, 18160, 20894, 26960, 28148, 35185, 41788, 52235, 56296, 70370, 76499, 83576, 104470, 112592, 140740, 152998, 167152, 208940, 281480, 305996, 382495, 417880, 562960, 611992, 764990, 835760, 1223984, 1529980, 2371469, 3059960, 4742938, 6119920, 9485876, 11857345, 18971752, 23714690, 37943504, 47429380, 94858760, 189717520]

約数ペア:

[(1, 189717520), (2, 94858760), (4, 47429380), (5, 37943504), (8, 23714690), (10, 18971752), (16, 11857345), (20, 9485876), (31, 6119920), (40, 4742938), (62, 3059960), (80, 2371469), (124, 1529980), (155, 1223984), (227, 835760), (248, 764990), (310, 611992), (337, 562960), (454, 417880), (496, 382495), (620, 305996), (674, 281480), (908, 208940), (1135, 167152), (1240, 152998), (1348, 140740), (1685, 112592), (1816, 104470), (2270, 83576), (2480, 76499), (2696, 70370), (3370, 56296), (3632, 52235), (4540, 41788), (5392, 35185), (6740, 28148), (7037, 26960), (9080, 20894), (10447, 18160), (13480, 14074)]