290387636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17789}}^1$

素因数の和:17864

約数の個数: 48

約数和(自身を含む): 645563520

約数和(自身を除く): 355175884

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1166, 1484, 2332, 4081, 8162, 16324, 17789, 35578, 71156, 124523, 195679, 249046, 391358, 498092, 782716, 942817, 1369753, 1885634, 2739506, 3771268, 5479012, 6599719, 10370987, 13199438, 20741974, 26398876, 41483948, 72596909, 145193818, 290387636]

約数ペア:

[(1, 290387636), (2, 145193818), (4, 72596909), (7, 41483948), (11, 26398876), (14, 20741974), (22, 13199438), (28, 10370987), (44, 6599719), (53, 5479012), (77, 3771268), (106, 2739506), (154, 1885634), (212, 1369753), (308, 942817), (371, 782716), (583, 498092), (742, 391358), (1166, 249046), (1484, 195679), (2332, 124523), (4081, 71156), (8162, 35578), (16324, 17789)]