205506070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{266891}}^1$

素因数の和:266916

約数の個数: 32

約数和(自身を含む): 461189376

約数和(自身を除く): 255683306

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 266891, 533782, 1334455, 1868237, 2668910, 2935801, 3736474, 5871602, 9341185, 14679005, 18682370, 20550607, 29358010, 41101214, 102753035, 205506070]

約数ペア:

[(1, 205506070), (2, 102753035), (5, 41101214), (7, 29358010), (10, 20550607), (11, 18682370), (14, 14679005), (22, 9341185), (35, 5871602), (55, 3736474), (70, 2935801), (77, 2668910), (110, 1868237), (154, 1334455), (385, 533782), (770, 266891)]