280865344

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 568683648

約数和(自身を除く): 287818304

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 137, 206, 274, 311, 412, 548, 622, 824, 1096, 1244, 1648, 2192, 2488, 3296, 4384, 4976, 6592, 8768, 9952, 14111, 19904, 28222, 32033, 42607, 56444, 64066, 85214, 112888, 128132, 170428, 225776, 256264, 340856, 451552, 512528, 681712, 903104, 1025056, 1363424, 2050112, 2726848, 4388521, 8777042, 17554084, 35108168, 70216336, 140432672, 280865344]

約数ペア:

[(1, 280865344), (2, 140432672), (4, 70216336), (8, 35108168), (16, 17554084), (32, 8777042), (64, 4388521), (103, 2726848), (137, 2050112), (206, 1363424), (274, 1025056), (311, 903104), (412, 681712), (548, 512528), (622, 451552), (824, 340856), (1096, 256264), (1244, 225776), (1648, 170428), (2192, 128132), (2488, 112888), (3296, 85214), (4384, 64066), (4976, 56444), (6592, 42607), (8768, 32033), (9952, 28222), (14111, 19904)]