257904440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{96233}}^1$

素因数の和:96311

約数の個数: 32

約数和(自身を含む): 588952080

約数和(自身を除く): 331047640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 96233, 192466, 384932, 481165, 769864, 962330, 1924660, 3849320, 6447611, 12895222, 25790444, 32238055, 51580888, 64476110, 128952220, 257904440]

約数ペア:

[(1, 257904440), (2, 128952220), (4, 64476110), (5, 51580888), (8, 32238055), (10, 25790444), (20, 12895222), (40, 6447611), (67, 3849320), (134, 1924660), (268, 962330), (335, 769864), (536, 481165), (670, 384932), (1340, 192466), (2680, 96233)]