202354480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 487692000

約数和(自身を除く): 285337520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 137, 148, 185, 274, 296, 370, 499, 548, 592, 685, 740, 998, 1096, 1370, 1480, 1996, 2192, 2495, 2740, 2960, 3992, 4990, 5069, 5480, 7984, 9980, 10138, 10960, 18463, 19960, 20276, 25345, 36926, 39920, 40552, 50690, 68363, 73852, 81104, 92315, 101380, 136726, 147704, 184630, 202760, 273452, 295408, 341815, 369260, 405520, 546904, 683630, 738520, 1093808, 1367260, 1477040, 2529431, 2734520, 5058862, 5469040, 10117724, 12647155, 20235448, 25294310, 40470896, 50588620, 101177240, 202354480]

約数ペア:

[(1, 202354480), (2, 101177240), (4, 50588620), (5, 40470896), (8, 25294310), (10, 20235448), (16, 12647155), (20, 10117724), (37, 5469040), (40, 5058862), (74, 2734520), (80, 2529431), (137, 1477040), (148, 1367260), (185, 1093808), (274, 738520), (296, 683630), (370, 546904), (499, 405520), (548, 369260), (592, 341815), (685, 295408), (740, 273452), (998, 202760), (1096, 184630), (1370, 147704), (1480, 136726), (1996, 101380), (2192, 92315), (2495, 81104), (2740, 73852), (2960, 68363), (3992, 50690), (4990, 40552), (5069, 39920), (5480, 36926), (7984, 25345), (9980, 20276), (10138, 19960), (10960, 18463)]