201857780

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{11777}}^1$

素因数の和:12643

約数の個数: 24

約数和(自身を含む): 424432008

約数和(自身を除く): 222574228

約数列:

[1, 2, 4, 5, 10, 20, 857, 1714, 3428, 4285, 8570, 11777, 17140, 23554, 47108, 58885, 117770, 235540, 10092889, 20185778, 40371556, 50464445, 100928890, 201857780]

約数ペア:

[(1, 201857780), (2, 100928890), (4, 50464445), (5, 40371556), (10, 20185778), (20, 10092889), (857, 235540), (1714, 117770), (3428, 58885), (4285, 47108), (8570, 23554), (11777, 17140)]