28715200

素因数分解:

$2^6\times 5^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 84

約数和(自身を含む): 71716392

約数和(自身を除く): 43001192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 131, 137, 160, 200, 262, 274, 320, 400, 524, 548, 655, 685, 800, 1048, 1096, 1310, 1370, 1600, 2096, 2192, 2620, 2740, 3275, 3425, 4192, 4384, 5240, 5480, 6550, 6850, 8384, 8768, 10480, 10960, 13100, 13700, 17947, 20960, 21920, 26200, 27400, 35894, 41920, 43840, 52400, 54800, 71788, 89735, 104800, 109600, 143576, 179470, 209600, 219200, 287152, 358940, 448675, 574304, 717880, 897350, 1148608, 1435760, 1794700, 2871520, 3589400, 5743040, 7178800, 14357600, 28715200]

約数ペア:

[(1, 28715200), (2, 14357600), (4, 7178800), (5, 5743040), (8, 3589400), (10, 2871520), (16, 1794700), (20, 1435760), (25, 1148608), (32, 897350), (40, 717880), (50, 574304), (64, 448675), (80, 358940), (100, 287152), (131, 219200), (137, 209600), (160, 179470), (200, 143576), (262, 109600), (274, 104800), (320, 89735), (400, 71788), (524, 54800), (548, 52400), (655, 43840), (685, 41920), (800, 35894), (1048, 27400), (1096, 26200), (1310, 21920), (1370, 20960), (1600, 17947), (2096, 13700), (2192, 13100), (2620, 10960), (2740, 10480), (3275, 8768), (3425, 8384), (4192, 6850), (4384, 6550), (5240, 5480)]