2778940090

素因数分解:

$2^1\times 5^1\times {\mathrm{12401}}^1\times {\mathrm{22409}}^1$

素因数の和:34817

約数の個数: 16

約数和(自身を含む): 5002718760

約数和(自身を除く): 2223778670

約数列:

[1, 2, 5, 10, 12401, 22409, 24802, 44818, 62005, 112045, 124010, 224090, 277894009, 555788018, 1389470045, 2778940090]

約数ペア:

[(1, 2778940090), (2, 1389470045), (5, 555788018), (10, 277894009), (12401, 224090), (22409, 124010), (24802, 112045), (44818, 62005)]