28985740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{207041}}^1$

素因数の和:207057

約数の個数: 24

約数和(自身を含む): 69566112

約数和(自身を除く): 40580372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 207041, 414082, 828164, 1035205, 1449287, 2070410, 2898574, 4140820, 5797148, 7246435, 14492870, 28985740]

約数ペア:

[(1, 28985740), (2, 14492870), (4, 7246435), (5, 5797148), (7, 4140820), (10, 2898574), (14, 2070410), (20, 1449287), (28, 1035205), (35, 828164), (70, 414082), (140, 207041)]