1270990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 2663424

約数和(自身を除く): 1392434

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 271, 335, 469, 542, 670, 938, 1355, 1897, 2345, 2710, 3794, 4690, 9485, 18157, 18970, 36314, 90785, 127099, 181570, 254198, 635495, 1270990]

約数ペア:

[(1, 1270990), (2, 635495), (5, 254198), (7, 181570), (10, 127099), (14, 90785), (35, 36314), (67, 18970), (70, 18157), (134, 9485), (271, 4690), (335, 3794), (469, 2710), (542, 2345), (670, 1897), (938, 1355)]