70747420

素因数分解:

$2^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{2269}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 148730400

約数和(自身を除く): 77982980

約数列:

[1, 2, 4, 5, 10, 20, 1559, 2269, 3118, 4538, 6236, 7795, 9076, 11345, 15590, 22690, 31180, 45380, 3537371, 7074742, 14149484, 17686855, 35373710, 70747420]

約数ペア:

[(1, 70747420), (2, 35373710), (4, 17686855), (5, 14149484), (10, 7074742), (20, 3537371), (1559, 45380), (2269, 31180), (3118, 22690), (4538, 15590), (6236, 11345), (7795, 9076)]