194945000

素因数分解:

$2^3\times 5^4\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 461852160

約数和(自身を除く): 266907160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 254, 307, 500, 508, 614, 625, 635, 1000, 1016, 1228, 1250, 1270, 1535, 2456, 2500, 2540, 3070, 3175, 5000, 5080, 6140, 6350, 7675, 12280, 12700, 15350, 15875, 25400, 30700, 31750, 38375, 38989, 61400, 63500, 76750, 77978, 79375, 127000, 153500, 155956, 158750, 191875, 194945, 307000, 311912, 317500, 383750, 389890, 635000, 767500, 779780, 974725, 1535000, 1559560, 1949450, 3898900, 4873625, 7797800, 9747250, 19494500, 24368125, 38989000, 48736250, 97472500, 194945000]

約数ペア:

[(1, 194945000), (2, 97472500), (4, 48736250), (5, 38989000), (8, 24368125), (10, 19494500), (20, 9747250), (25, 7797800), (40, 4873625), (50, 3898900), (100, 1949450), (125, 1559560), (127, 1535000), (200, 974725), (250, 779780), (254, 767500), (307, 635000), (500, 389890), (508, 383750), (614, 317500), (625, 311912), (635, 307000), (1000, 194945), (1016, 191875), (1228, 158750), (1250, 155956), (1270, 153500), (1535, 127000), (2456, 79375), (2500, 77978), (2540, 76750), (3070, 63500), (3175, 61400), (5000, 38989), (5080, 38375), (6140, 31750), (6350, 30700), (7675, 25400), (12280, 15875), (12700, 15350)]