79142420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{565303}}^1$

素因数の和:565319

約数の個数: 24

約数和(自身を含む): 189942144

約数和(自身を除く): 110799724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 565303, 1130606, 2261212, 2826515, 3957121, 5653030, 7914242, 11306060, 15828484, 19785605, 39571210, 79142420]

約数ペア:

[(1, 79142420), (2, 39571210), (4, 19785605), (5, 15828484), (7, 11306060), (10, 7914242), (14, 5653030), (20, 3957121), (28, 2826515), (35, 2261212), (70, 1130606), (140, 565303)]