205514210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{12539}}^1$

素因数の和:12706

約数の個数: 32

約数和(自身を含む): 406296000

約数和(自身を除く): 200781790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 3278, 8195, 12539, 16390, 25078, 62695, 125390, 137929, 275858, 689645, 1379290, 1868311, 3736622, 9341555, 18683110, 20551421, 41102842, 102757105, 205514210]

約数ペア:

[(1, 205514210), (2, 102757105), (5, 41102842), (10, 20551421), (11, 18683110), (22, 9341555), (55, 3736622), (110, 1868311), (149, 1379290), (298, 689645), (745, 275858), (1490, 137929), (1639, 125390), (3278, 62695), (8195, 25078), (12539, 16390)]