2728310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 5467392

約数和(自身を除く): 2739082

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 677, 806, 1354, 2015, 3385, 4030, 6770, 8801, 17602, 20987, 41974, 44005, 88010, 104935, 209870, 272831, 545662, 1364155, 2728310]

約数ペア:

[(1, 2728310), (2, 1364155), (5, 545662), (10, 272831), (13, 209870), (26, 104935), (31, 88010), (62, 44005), (65, 41974), (130, 20987), (155, 17602), (310, 8801), (403, 6770), (677, 4030), (806, 3385), (1354, 2015)]