131459020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85363}}^1$

素因数の和:85390

約数の個数: 48

約数和(自身を含む): 344187648

約数和(自身を除く): 212728628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 85363, 170726, 341452, 426815, 597541, 853630, 938993, 1195082, 1707260, 1877986, 2390164, 2987705, 3755972, 4694965, 5975410, 6572951, 9389930, 11950820, 13145902, 18779860, 26291804, 32864755, 65729510, 131459020]

約数ペア:

[(1, 131459020), (2, 65729510), (4, 32864755), (5, 26291804), (7, 18779860), (10, 13145902), (11, 11950820), (14, 9389930), (20, 6572951), (22, 5975410), (28, 4694965), (35, 3755972), (44, 2987705), (55, 2390164), (70, 1877986), (77, 1707260), (110, 1195082), (140, 938993), (154, 853630), (220, 597541), (308, 426815), (385, 341452), (770, 170726), (1540, 85363)]