172472020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1231943}}^1$

素因数の和:1231959

約数の個数: 24

約数和(自身を含む): 413933184

約数和(自身を除く): 241461164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1231943, 2463886, 4927772, 6159715, 8623601, 12319430, 17247202, 24638860, 34494404, 43118005, 86236010, 172472020]

約数ペア:

[(1, 172472020), (2, 86236010), (4, 43118005), (5, 34494404), (7, 24638860), (10, 17247202), (14, 12319430), (20, 8623601), (28, 6159715), (35, 4927772), (70, 2463886), (140, 1231943)]