344671840

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3259}}^1$

素因数の和:3935

約数の個数: 48

約数和(自身を含む): 815769360

約数和(自身を除く): 471097520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 2644, 3259, 3305, 5288, 6518, 6610, 10576, 13036, 13220, 16295, 21152, 26072, 26440, 32590, 52144, 52880, 65180, 104288, 105760, 130360, 260720, 521440, 2154199, 4308398, 8616796, 10770995, 17233592, 21541990, 34467184, 43083980, 68934368, 86167960, 172335920, 344671840]

約数ペア:

[(1, 344671840), (2, 172335920), (4, 86167960), (5, 68934368), (8, 43083980), (10, 34467184), (16, 21541990), (20, 17233592), (32, 10770995), (40, 8616796), (80, 4308398), (160, 2154199), (661, 521440), (1322, 260720), (2644, 130360), (3259, 105760), (3305, 104288), (5288, 65180), (6518, 52880), (6610, 52144), (10576, 32590), (13036, 26440), (13220, 26072), (16295, 21152)]