28187810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2897}}^1$

素因数の和:3050

約数の個数: 32

約数和(自身を含む): 58423680

約数和(自身を除く): 30235870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2897, 4865, 5794, 9730, 14485, 20279, 28970, 40558, 101395, 202790, 402683, 805366, 2013415, 2818781, 4026830, 5637562, 14093905, 28187810]

約数ペア:

[(1, 28187810), (2, 14093905), (5, 5637562), (7, 4026830), (10, 2818781), (14, 2013415), (35, 805366), (70, 402683), (139, 202790), (278, 101395), (695, 40558), (973, 28970), (1390, 20279), (1946, 14485), (2897, 9730), (4865, 5794)]