346831480

素因数分解:

$2^3\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{3391}}^1$

素因数の和:5959

約数の個数: 32

約数和(自身を含む): 780906240

約数和(自身を除く): 434074760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2557, 3391, 5114, 6782, 10228, 12785, 13564, 16955, 20456, 25570, 27128, 33910, 51140, 67820, 102280, 135640, 8670787, 17341574, 34683148, 43353935, 69366296, 86707870, 173415740, 346831480]

約数ペア:

[(1, 346831480), (2, 173415740), (4, 86707870), (5, 69366296), (8, 43353935), (10, 34683148), (20, 17341574), (40, 8670787), (2557, 135640), (3391, 102280), (5114, 67820), (6782, 51140), (10228, 33910), (12785, 27128), (13564, 25570), (16955, 20456)]