289007240

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{9857}}^1$

素因数の和:10601

約数の個数: 32

約数和(自身を含む): 651219480

約数和(自身を除く): 362212240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2932, 3665, 5864, 7330, 9857, 14660, 19714, 29320, 39428, 49285, 78856, 98570, 197140, 394280, 7225181, 14450362, 28900724, 36125905, 57801448, 72251810, 144503620, 289007240]

約数ペア:

[(1, 289007240), (2, 144503620), (4, 72251810), (5, 57801448), (8, 36125905), (10, 28900724), (20, 14450362), (40, 7225181), (733, 394280), (1466, 197140), (2932, 98570), (3665, 78856), (5864, 49285), (7330, 39428), (9857, 29320), (14660, 19714)]