229740440

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{5179}}^1$

素因数の和:6299

約数の個数: 32

約数和(自身を含む): 517482000

約数和(自身を除く): 287741560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4436, 5179, 5545, 8872, 10358, 11090, 20716, 22180, 25895, 41432, 44360, 51790, 103580, 207160, 5743511, 11487022, 22974044, 28717555, 45948088, 57435110, 114870220, 229740440]

約数ペア:

[(1, 229740440), (2, 114870220), (4, 57435110), (5, 45948088), (8, 28717555), (10, 22974044), (20, 11487022), (40, 5743511), (1109, 207160), (2218, 103580), (4436, 51790), (5179, 44360), (5545, 41432), (8872, 25895), (10358, 22180), (11090, 20716)]