487991660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1\times {\mathrm{1373}}^1$

素因数の和:2762

約数の個数: 48

約数和(自身を含む): 1105223616

約数和(自身を除く): 617231956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1367, 1373, 2734, 2746, 5468, 5492, 6835, 6865, 13670, 13730, 17771, 17849, 27340, 27460, 35542, 35698, 71084, 71396, 88855, 89245, 177710, 178490, 355420, 356980, 1876891, 3753782, 7507564, 9384455, 18768910, 24399583, 37537820, 48799166, 97598332, 121997915, 243995830, 487991660]

約数ペア:

[(1, 487991660), (2, 243995830), (4, 121997915), (5, 97598332), (10, 48799166), (13, 37537820), (20, 24399583), (26, 18768910), (52, 9384455), (65, 7507564), (130, 3753782), (260, 1876891), (1367, 356980), (1373, 355420), (2734, 178490), (2746, 177710), (5468, 89245), (5492, 88855), (6835, 71396), (6865, 71084), (13670, 35698), (13730, 35542), (17771, 27460), (17849, 27340)]