42740495

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 61064784

約数和(自身を除く): 18324289

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 4057, 10535, 20285, 28399, 141995, 174451, 198793, 872255, 993965, 1221157, 6105785, 8548099, 42740495]

約数ペア:

[(1, 42740495), (5, 8548099), (7, 6105785), (35, 1221157), (43, 993965), (49, 872255), (215, 198793), (245, 174451), (301, 141995), (1505, 28399), (2107, 20285), (4057, 10535)]