201862940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142157}}^1$

素因数の和:142237

約数の個数: 24

約数和(自身を含む): 429885792

約数和(自身を除く): 228022852

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142157, 284314, 568628, 710785, 1421570, 2843140, 10093147, 20186294, 40372588, 50465735, 100931470, 201862940]

約数ペア:

[(1, 201862940), (2, 100931470), (4, 50465735), (5, 40372588), (10, 20186294), (20, 10093147), (71, 2843140), (142, 1421570), (284, 710785), (355, 568628), (710, 284314), (1420, 142157)]