29855420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{213253}}^1$

素因数の和:213269

約数の個数: 24

約数和(自身を含む): 71653344

約数和(自身を除く): 41797924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 213253, 426506, 853012, 1066265, 1492771, 2132530, 2985542, 4265060, 5971084, 7463855, 14927710, 29855420]

約数ペア:

[(1, 29855420), (2, 14927710), (4, 7463855), (5, 5971084), (7, 4265060), (10, 2985542), (14, 2132530), (20, 1492771), (28, 1066265), (35, 853012), (70, 426506), (140, 213253)]