16749740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 40482624

約数和(自身を除く): 23732884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 661, 724, 905, 1267, 1322, 1810, 2534, 2644, 3305, 3620, 4627, 5068, 6335, 6610, 9254, 12670, 13220, 18508, 23135, 25340, 46270, 92540, 119641, 239282, 478564, 598205, 837487, 1196410, 1674974, 2392820, 3349948, 4187435, 8374870, 16749740]

約数ペア:

[(1, 16749740), (2, 8374870), (4, 4187435), (5, 3349948), (7, 2392820), (10, 1674974), (14, 1196410), (20, 837487), (28, 598205), (35, 478564), (70, 239282), (140, 119641), (181, 92540), (362, 46270), (661, 25340), (724, 23135), (905, 18508), (1267, 13220), (1322, 12670), (1810, 9254), (2534, 6610), (2644, 6335), (3305, 5068), (3620, 4627)]