1276840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 2906280

約数和(自身を除く): 1629440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 233, 274, 466, 548, 685, 932, 1096, 1165, 1370, 1864, 2330, 2740, 4660, 5480, 9320, 31921, 63842, 127684, 159605, 255368, 319210, 638420, 1276840]

約数ペア:

[(1, 1276840), (2, 638420), (4, 319210), (5, 255368), (8, 159605), (10, 127684), (20, 63842), (40, 31921), (137, 9320), (233, 5480), (274, 4660), (466, 2740), (548, 2330), (685, 1864), (932, 1370), (1096, 1165)]