339940040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{772591}}^1$

素因数の和:772613

約数の個数: 32

約数和(自身を含む): 834399360

約数和(自身を除く): 494459320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 772591, 1545182, 3090364, 3862955, 6180728, 7725910, 8498501, 15451820, 16997002, 30903640, 33994004, 42492505, 67988008, 84985010, 169970020, 339940040]

約数ペア:

[(1, 339940040), (2, 169970020), (4, 84985010), (5, 67988008), (8, 42492505), (10, 33994004), (11, 30903640), (20, 16997002), (22, 15451820), (40, 8498501), (44, 7725910), (55, 6180728), (88, 3862955), (110, 3090364), (220, 1545182), (440, 772591)]