7863268940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{249311}}^1$

素因数の和:249422

約数の個数: 48

約数和(自身を含む): 17591454720

約数和(自身を除く): 9728185780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540, 249311, 498622, 997244, 1246555, 2493110, 4736909, 4986220, 9473818, 18947636, 20692813, 23684545, 41385626, 47369090, 82771252, 94738180, 103464065, 206928130, 393163447, 413856260, 786326894, 1572653788, 1965817235, 3931634470, 7863268940]

約数ペア:

[(1, 7863268940), (2, 3931634470), (4, 1965817235), (5, 1572653788), (10, 786326894), (19, 413856260), (20, 393163447), (38, 206928130), (76, 103464065), (83, 94738180), (95, 82771252), (166, 47369090), (190, 41385626), (332, 23684545), (380, 20692813), (415, 18947636), (830, 9473818), (1577, 4986220), (1660, 4736909), (3154, 2493110), (6308, 1246555), (7885, 997244), (15770, 498622), (31540, 249311)]