788256910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1081

約数の個数: 64

約数和(自身を含む): 1654732800

約数和(自身を除く): 866475890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 199, 355, 398, 497, 710, 797, 994, 995, 1393, 1594, 1990, 2485, 2786, 3985, 4970, 5579, 6965, 7970, 11158, 13930, 14129, 27895, 28258, 55790, 56587, 70645, 98903, 113174, 141290, 158603, 197806, 282935, 317206, 396109, 494515, 565870, 792218, 793015, 989030, 1110221, 1586030, 1980545, 2220442, 3961090, 5551105, 11102210, 11260813, 22521626, 56304065, 78825691, 112608130, 157651382, 394128455, 788256910]

約数ペア:

[(1, 788256910), (2, 394128455), (5, 157651382), (7, 112608130), (10, 78825691), (14, 56304065), (35, 22521626), (70, 11260813), (71, 11102210), (142, 5551105), (199, 3961090), (355, 2220442), (398, 1980545), (497, 1586030), (710, 1110221), (797, 989030), (994, 793015), (995, 792218), (1393, 565870), (1594, 494515), (1990, 396109), (2485, 317206), (2786, 282935), (3985, 197806), (4970, 158603), (5579, 141290), (6965, 113174), (7970, 98903), (11158, 70645), (13930, 56587), (14129, 55790), (27895, 28258)]