30517340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217981}}^1$

素因数の和:217997

約数の個数: 24

約数和(自身を含む): 73241952

約数和(自身を除く): 42724612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217981, 435962, 871924, 1089905, 1525867, 2179810, 3051734, 4359620, 6103468, 7629335, 15258670, 30517340]

約数ペア:

[(1, 30517340), (2, 15258670), (4, 7629335), (5, 6103468), (7, 4359620), (10, 3051734), (14, 2179810), (20, 1525867), (28, 1089905), (35, 871924), (70, 435962), (140, 217981)]