28081500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 83044416

約数和(自身を除く): 54962916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 125, 150, 193, 194, 250, 291, 300, 375, 386, 388, 485, 500, 579, 582, 750, 772, 965, 970, 1158, 1164, 1455, 1500, 1930, 1940, 2316, 2425, 2895, 2910, 3860, 4825, 4850, 5790, 5820, 7275, 9650, 9700, 11580, 12125, 14475, 14550, 18721, 19300, 24125, 24250, 28950, 29100, 36375, 37442, 48250, 48500, 56163, 57900, 72375, 72750, 74884, 93605, 96500, 112326, 144750, 145500, 187210, 224652, 280815, 289500, 374420, 468025, 561630, 936050, 1123260, 1404075, 1872100, 2340125, 2808150, 4680250, 5616300, 7020375, 9360500, 14040750, 28081500]

約数ペア:

[(1, 28081500), (2, 14040750), (3, 9360500), (4, 7020375), (5, 5616300), (6, 4680250), (10, 2808150), (12, 2340125), (15, 1872100), (20, 1404075), (25, 1123260), (30, 936050), (50, 561630), (60, 468025), (75, 374420), (97, 289500), (100, 280815), (125, 224652), (150, 187210), (193, 145500), (194, 144750), (250, 112326), (291, 96500), (300, 93605), (375, 74884), (386, 72750), (388, 72375), (485, 57900), (500, 56163), (579, 48500), (582, 48250), (750, 37442), (772, 36375), (965, 29100), (970, 28950), (1158, 24250), (1164, 24125), (1455, 19300), (1500, 18721), (1930, 14550), (1940, 14475), (2316, 12125), (2425, 11580), (2895, 9700), (2910, 9650), (3860, 7275), (4825, 5820), (4850, 5790)]