209516340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28859}}^1$

素因数の和:28893

約数の個数: 72

約数和(自身を含む): 644847840

約数和(自身を除く): 435331500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 28859, 57718, 86577, 115436, 144295, 173154, 288590, 317449, 346308, 432885, 577180, 634898, 865770, 952347, 1269796, 1587245, 1731540, 1904694, 3174490, 3491939, 3809388, 4761735, 6348980, 6983878, 9523470, 10475817, 13967756, 17459695, 19046940, 20951634, 34919390, 41903268, 52379085, 69838780, 104758170, 209516340]

約数ペア:

[(1, 209516340), (2, 104758170), (3, 69838780), (4, 52379085), (5, 41903268), (6, 34919390), (10, 20951634), (11, 19046940), (12, 17459695), (15, 13967756), (20, 10475817), (22, 9523470), (30, 6983878), (33, 6348980), (44, 4761735), (55, 3809388), (60, 3491939), (66, 3174490), (110, 1904694), (121, 1731540), (132, 1587245), (165, 1269796), (220, 952347), (242, 865770), (330, 634898), (363, 577180), (484, 432885), (605, 346308), (660, 317449), (726, 288590), (1210, 173154), (1452, 144295), (1815, 115436), (2420, 86577), (3630, 57718), (7260, 28859)]