149787620

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{8501}}^1$

素因数の和:9391

約数の個数: 24

約数和(自身を含む): 314948088

約数和(自身を除く): 165160468

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 8501, 8810, 17002, 17620, 34004, 42505, 85010, 170020, 7489381, 14978762, 29957524, 37446905, 74893810, 149787620]

約数ペア:

[(1, 149787620), (2, 74893810), (4, 37446905), (5, 29957524), (10, 14978762), (20, 7489381), (881, 170020), (1762, 85010), (3524, 42505), (4405, 34004), (8501, 17620), (8810, 17002)]