81843800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 200210400

約数和(自身を除く): 118366600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 103, 116, 137, 145, 200, 206, 232, 274, 290, 412, 515, 548, 580, 685, 725, 824, 1030, 1096, 1160, 1370, 1450, 2060, 2575, 2740, 2900, 2987, 3425, 3973, 4120, 5150, 5480, 5800, 5974, 6850, 7946, 10300, 11948, 13700, 14111, 14935, 15892, 19865, 20600, 23896, 27400, 28222, 29870, 31784, 39730, 56444, 59740, 70555, 74675, 79460, 99325, 112888, 119480, 141110, 149350, 158920, 198650, 282220, 298700, 352775, 397300, 409219, 564440, 597400, 705550, 794600, 818438, 1411100, 1636876, 2046095, 2822200, 3273752, 4092190, 8184380, 10230475, 16368760, 20460950, 40921900, 81843800]

約数ペア:

[(1, 81843800), (2, 40921900), (4, 20460950), (5, 16368760), (8, 10230475), (10, 8184380), (20, 4092190), (25, 3273752), (29, 2822200), (40, 2046095), (50, 1636876), (58, 1411100), (100, 818438), (103, 794600), (116, 705550), (137, 597400), (145, 564440), (200, 409219), (206, 397300), (232, 352775), (274, 298700), (290, 282220), (412, 198650), (515, 158920), (548, 149350), (580, 141110), (685, 119480), (725, 112888), (824, 99325), (1030, 79460), (1096, 74675), (1160, 70555), (1370, 59740), (1450, 56444), (2060, 39730), (2575, 31784), (2740, 29870), (2900, 28222), (2987, 27400), (3425, 23896), (3973, 20600), (4120, 19865), (5150, 15892), (5480, 14935), (5800, 14111), (5974, 13700), (6850, 11948), (7946, 10300)]