422590720

素因数分解:

$2^8\times 5^1\times {\mathrm{330149}}^1$

素因数の和:330170

約数の個数: 36

約数和(自身を含む): 1012239900

約数和(自身を除く): 589649180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 330149, 660298, 1320596, 1650745, 2641192, 3301490, 5282384, 6602980, 10564768, 13205960, 21129536, 26411920, 42259072, 52823840, 84518144, 105647680, 211295360, 422590720]

約数ペア:

[(1, 422590720), (2, 211295360), (4, 105647680), (5, 84518144), (8, 52823840), (10, 42259072), (16, 26411920), (20, 21129536), (32, 13205960), (40, 10564768), (64, 6602980), (80, 5282384), (128, 3301490), (160, 2641192), (256, 1650745), (320, 1320596), (640, 660298), (1280, 330149)]