168309020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{765041}}^1$

素因数の和:765061

約数の個数: 24

約数和(自身を含む): 385581168

約数和(自身を除く): 217272148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 765041, 1530082, 3060164, 3825205, 7650410, 8415451, 15300820, 16830902, 33661804, 42077255, 84154510, 168309020]

約数ペア:

[(1, 168309020), (2, 84154510), (4, 42077255), (5, 33661804), (10, 16830902), (11, 15300820), (20, 8415451), (22, 7650410), (44, 3825205), (55, 3060164), (110, 1530082), (220, 765041)]