189509740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1353641}}^1$

素因数の和:1353657

約数の個数: 24

約数和(自身を含む): 454823712

約数和(自身を除く): 265313972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1353641, 2707282, 5414564, 6768205, 9475487, 13536410, 18950974, 27072820, 37901948, 47377435, 94754870, 189509740]

約数ペア:

[(1, 189509740), (2, 94754870), (4, 47377435), (5, 37901948), (7, 27072820), (10, 18950974), (14, 13536410), (20, 9475487), (28, 6768205), (35, 5414564), (70, 2707282), (140, 1353641)]