1688230000

素因数分解:

$2^4\times 5^4\times {\mathrm{79}}^1\times {\mathrm{2137}}^1$

素因数の和:2244

約数の個数: 100

約数和(自身を含む): 4141049440

約数和(自身を除く): 2452819440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 625, 632, 790, 1000, 1250, 1264, 1580, 1975, 2000, 2137, 2500, 3160, 3950, 4274, 5000, 6320, 7900, 8548, 9875, 10000, 10685, 15800, 17096, 19750, 21370, 31600, 34192, 39500, 42740, 49375, 53425, 79000, 85480, 98750, 106850, 158000, 168823, 170960, 197500, 213700, 267125, 337646, 395000, 427400, 534250, 675292, 790000, 844115, 854800, 1068500, 1335625, 1350584, 1688230, 2137000, 2671250, 2701168, 3376460, 4220575, 4274000, 5342500, 6752920, 8441150, 10685000, 13505840, 16882300, 21102875, 21370000, 33764600, 42205750, 67529200, 84411500, 105514375, 168823000, 211028750, 337646000, 422057500, 844115000, 1688230000]

約数ペア:

[(1, 1688230000), (2, 844115000), (4, 422057500), (5, 337646000), (8, 211028750), (10, 168823000), (16, 105514375), (20, 84411500), (25, 67529200), (40, 42205750), (50, 33764600), (79, 21370000), (80, 21102875), (100, 16882300), (125, 13505840), (158, 10685000), (200, 8441150), (250, 6752920), (316, 5342500), (395, 4274000), (400, 4220575), (500, 3376460), (625, 2701168), (632, 2671250), (790, 2137000), (1000, 1688230), (1250, 1350584), (1264, 1335625), (1580, 1068500), (1975, 854800), (2000, 844115), (2137, 790000), (2500, 675292), (3160, 534250), (3950, 427400), (4274, 395000), (5000, 337646), (6320, 267125), (7900, 213700), (8548, 197500), (9875, 170960), (10000, 168823), (10685, 158000), (15800, 106850), (17096, 98750), (19750, 85480), (21370, 79000), (31600, 53425), (34192, 49375), (39500, 42740)]