28395220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202823}}^1$

素因数の和:202839

約数の個数: 24

約数和(自身を含む): 68148864

約数和(自身を除く): 39753644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202823, 405646, 811292, 1014115, 1419761, 2028230, 2839522, 4056460, 5679044, 7098805, 14197610, 28395220]

約数ペア:

[(1, 28395220), (2, 14197610), (4, 7098805), (5, 5679044), (7, 4056460), (10, 2839522), (14, 2028230), (20, 1419761), (28, 1014115), (35, 811292), (70, 405646), (140, 202823)]