290996810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{8081}}^1$

素因数の和:8378

約数の個数: 32

約数和(自身を含む): 566192592

約数和(自身を除く): 275195782

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 1385, 2770, 3601, 7202, 8081, 16162, 18005, 36010, 40405, 80810, 105053, 210106, 525265, 1050530, 2238437, 4476874, 11192185, 22384370, 29099681, 58199362, 145498405, 290996810]

約数ペア:

[(1, 290996810), (2, 145498405), (5, 58199362), (10, 29099681), (13, 22384370), (26, 11192185), (65, 4476874), (130, 2238437), (277, 1050530), (554, 525265), (1385, 210106), (2770, 105053), (3601, 80810), (7202, 40405), (8081, 36010), (16162, 18005)]