39210290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{80021}}^1$

素因数の和:80042

約数の個数: 24

約数和(自身を含む): 82102572

約数和(自身を除く): 42892282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 80021, 160042, 400105, 560147, 800210, 1120294, 2800735, 3921029, 5601470, 7842058, 19605145, 39210290]

約数ペア:

[(1, 39210290), (2, 19605145), (5, 7842058), (7, 5601470), (10, 3921029), (14, 2800735), (35, 1120294), (49, 800210), (70, 560147), (98, 400105), (245, 160042), (490, 80021)]