338049280

素因数分解:

$2^8\times 5^1\times {\mathrm{264101}}^1$

素因数の和:264122

約数の個数: 36

約数和(自身を含む): 809736732

約数和(自身を除く): 471687452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 264101, 528202, 1056404, 1320505, 2112808, 2641010, 4225616, 5282020, 8451232, 10564040, 16902464, 21128080, 33804928, 42256160, 67609856, 84512320, 169024640, 338049280]

約数ペア:

[(1, 338049280), (2, 169024640), (4, 84512320), (5, 67609856), (8, 42256160), (10, 33804928), (16, 21128080), (20, 16902464), (32, 10564040), (40, 8451232), (64, 5282020), (80, 4225616), (128, 2641010), (160, 2112808), (256, 1320505), (320, 1056404), (640, 528202), (1280, 264101)]