277963010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20759}}^1$

素因数の和:20882

約数の個数: 32

約数和(自身を含む): 544078080

約数和(自身を除く): 266115070

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 13390, 20759, 41518, 103795, 207590, 269867, 539734, 1349335, 2138177, 2698670, 4276354, 10690885, 21381770, 27796301, 55592602, 138981505, 277963010]

約数ペア:

[(1, 277963010), (2, 138981505), (5, 55592602), (10, 27796301), (13, 21381770), (26, 10690885), (65, 4276354), (103, 2698670), (130, 2138177), (206, 1349335), (515, 539734), (1030, 269867), (1339, 207590), (2678, 103795), (6695, 41518), (13390, 20759)]