391750310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{78823}}^1$

素因数の和:78908

約数の個数: 32

約数和(自身を含む): 817247232

約数和(自身を除く): 425496922

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 78823, 157646, 394115, 551761, 788230, 1103522, 2758805, 5517610, 5596433, 11192866, 27982165, 39175031, 55964330, 78350062, 195875155, 391750310]

約数ペア:

[(1, 391750310), (2, 195875155), (5, 78350062), (7, 55964330), (10, 39175031), (14, 27982165), (35, 11192866), (70, 5596433), (71, 5517610), (142, 2758805), (355, 1103522), (497, 788230), (710, 551761), (994, 394115), (2485, 157646), (4970, 78823)]