31470290

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21121}}^1$

素因数の和:21277

約数の個数: 16

約数和(自身を含む): 57029400

約数和(自身を除く): 25559110

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 21121, 42242, 105605, 211210, 3147029, 6294058, 15735145, 31470290]

約数ペア:

[(1, 31470290), (2, 15735145), (5, 6294058), (10, 3147029), (149, 211210), (298, 105605), (745, 42242), (1490, 21121)]