284020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 651168

約数和(自身を除く): 367148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1291, 2582, 5164, 6455, 12910, 14201, 25820, 28402, 56804, 71005, 142010, 284020]

約数ペア:

[(1, 284020), (2, 142010), (4, 71005), (5, 56804), (10, 28402), (11, 25820), (20, 14201), (22, 12910), (44, 6455), (55, 5164), (110, 2582), (220, 1291)]