157466780

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{28019}}^1$

素因数の和:28309

約数の個数: 24

約数和(自身を含む): 331868880

約数和(自身を除く): 174402100

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 28019, 56038, 112076, 140095, 280190, 560380, 7873339, 15746678, 31493356, 39366695, 78733390, 157466780]

約数ペア:

[(1, 157466780), (2, 78733390), (4, 39366695), (5, 31493356), (10, 15746678), (20, 7873339), (281, 560380), (562, 280190), (1124, 140095), (1405, 112076), (2810, 56038), (5620, 28019)]