25401180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 81962496

約数和(自身を除く): 56561316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 307, 394, 420, 591, 614, 788, 921, 985, 1182, 1228, 1379, 1535, 1842, 1970, 2149, 2364, 2758, 2955, 3070, 3684, 3940, 4137, 4298, 4605, 5516, 5910, 6140, 6447, 6895, 8274, 8596, 9210, 10745, 11820, 12894, 13790, 16548, 18420, 20685, 21490, 25788, 27580, 32235, 41370, 42980, 60479, 64470, 82740, 120958, 128940, 181437, 241916, 302395, 362874, 423353, 604790, 725748, 846706, 907185, 1209580, 1270059, 1693412, 1814370, 2116765, 2540118, 3628740, 4233530, 5080236, 6350295, 8467060, 12700590, 25401180]

約数ペア:

[(1, 25401180), (2, 12700590), (3, 8467060), (4, 6350295), (5, 5080236), (6, 4233530), (7, 3628740), (10, 2540118), (12, 2116765), (14, 1814370), (15, 1693412), (20, 1270059), (21, 1209580), (28, 907185), (30, 846706), (35, 725748), (42, 604790), (60, 423353), (70, 362874), (84, 302395), (105, 241916), (140, 181437), (197, 128940), (210, 120958), (307, 82740), (394, 64470), (420, 60479), (591, 42980), (614, 41370), (788, 32235), (921, 27580), (985, 25788), (1182, 21490), (1228, 20685), (1379, 18420), (1535, 16548), (1842, 13790), (1970, 12894), (2149, 11820), (2364, 10745), (2758, 9210), (2955, 8596), (3070, 8274), (3684, 6895), (3940, 6447), (4137, 6140), (4298, 5910), (4605, 5516)]