127939180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 274450176

約数和(自身を除く): 146510996

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 307, 311, 335, 614, 622, 670, 1228, 1244, 1340, 1535, 1555, 3070, 3110, 6140, 6220, 20569, 20837, 41138, 41674, 82276, 83348, 95477, 102845, 104185, 190954, 205690, 208370, 381908, 411380, 416740, 477385, 954770, 1909540, 6396959, 12793918, 25587836, 31984795, 63969590, 127939180]

約数ペア:

[(1, 127939180), (2, 63969590), (4, 31984795), (5, 25587836), (10, 12793918), (20, 6396959), (67, 1909540), (134, 954770), (268, 477385), (307, 416740), (311, 411380), (335, 381908), (614, 208370), (622, 205690), (670, 190954), (1228, 104185), (1244, 102845), (1340, 95477), (1535, 83348), (1555, 82276), (3070, 41674), (3110, 41138), (6140, 20837), (6220, 20569)]