205381880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{466777}}^1$

素因数の和:466799

約数の個数: 32

約数和(自身を含む): 504120240

約数和(自身を除く): 298738360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 466777, 933554, 1867108, 2333885, 3734216, 4667770, 5134547, 9335540, 10269094, 18671080, 20538188, 25672735, 41076376, 51345470, 102690940, 205381880]

約数ペア:

[(1, 205381880), (2, 102690940), (4, 51345470), (5, 41076376), (8, 25672735), (10, 20538188), (11, 18671080), (20, 10269094), (22, 9335540), (40, 5134547), (44, 4667770), (55, 3734216), (88, 2333885), (110, 1867108), (220, 933554), (440, 466777)]