31978940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{228421}}^1$

素因数の和:228437

約数の個数: 24

約数和(自身を含む): 76749792

約数和(自身を除く): 44770852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 228421, 456842, 913684, 1142105, 1598947, 2284210, 3197894, 4568420, 6395788, 7994735, 15989470, 31978940]

約数ペア:

[(1, 31978940), (2, 15989470), (4, 7994735), (5, 6395788), (7, 4568420), (10, 3197894), (14, 2284210), (20, 1598947), (28, 1142105), (35, 913684), (70, 456842), (140, 228421)]