1643670380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{126631}}^1$

素因数の和:126710

約数の個数: 48

約数和(自身を含む): 3829351680

約数和(自身を除く): 2185681300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 126631, 253262, 506524, 633155, 1266310, 1392941, 2532620, 2785882, 5571764, 6964705, 7471229, 13929410, 14942458, 27858820, 29884916, 37356145, 74712290, 82183519, 149424580, 164367038, 328734076, 410917595, 821835190, 1643670380]

約数ペア:

[(1, 1643670380), (2, 821835190), (4, 410917595), (5, 328734076), (10, 164367038), (11, 149424580), (20, 82183519), (22, 74712290), (44, 37356145), (55, 29884916), (59, 27858820), (110, 14942458), (118, 13929410), (220, 7471229), (236, 6964705), (295, 5571764), (590, 2785882), (649, 2532620), (1180, 1392941), (1298, 1266310), (2596, 633155), (3245, 506524), (6490, 253262), (12980, 126631)]