123140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 266112

約数和(自身を除く): 142972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 524, 655, 940, 1310, 2620, 6157, 12314, 24628, 30785, 61570, 123140]

約数ペア:

[(1, 123140), (2, 61570), (4, 30785), (5, 24628), (10, 12314), (20, 6157), (47, 2620), (94, 1310), (131, 940), (188, 655), (235, 524), (262, 470)]