210034420

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{7349}}^1$

素因数の和:8787

約数の個数: 24

約数和(自身を含む): 441441000

約数和(自身を除く): 231406580

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 5716, 7145, 7349, 14290, 14698, 28580, 29396, 36745, 73490, 146980, 10501721, 21003442, 42006884, 52508605, 105017210, 210034420]

約数ペア:

[(1, 210034420), (2, 105017210), (4, 52508605), (5, 42006884), (10, 21003442), (20, 10501721), (1429, 146980), (2858, 73490), (5716, 36745), (7145, 29396), (7349, 28580), (14290, 14698)]