309099691580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1779913}}^1$

素因数の和:1780398

約数の個数: 48

約数和(自身を含む): 684768514080

約数和(自身を除く): 375668822500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 914, 1828, 2285, 4570, 8683, 9140, 17366, 34732, 43415, 86830, 173660, 1779913, 3559826, 7119652, 8899565, 17799130, 33818347, 35598260, 67636694, 135273388, 169091735, 338183470, 676366940, 813420241, 1626840482, 3253680964, 4067101205, 8134202410, 15454984579, 16268404820, 30909969158, 61819938316, 77274922895, 154549845790, 309099691580]

約数ペア:

[(1, 309099691580), (2, 154549845790), (4, 77274922895), (5, 61819938316), (10, 30909969158), (19, 16268404820), (20, 15454984579), (38, 8134202410), (76, 4067101205), (95, 3253680964), (190, 1626840482), (380, 813420241), (457, 676366940), (914, 338183470), (1828, 169091735), (2285, 135273388), (4570, 67636694), (8683, 35598260), (9140, 33818347), (17366, 17799130), (34732, 8899565), (43415, 7119652), (86830, 3559826), (173660, 1779913)]