121405180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2213}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 275988384

約数和(自身を除く): 154583204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2213, 2743, 4220, 4426, 5486, 8852, 10972, 11065, 13715, 22130, 27430, 28769, 44260, 54860, 57538, 115076, 143845, 287690, 466943, 575380, 933886, 1867772, 2334715, 4669430, 6070259, 9338860, 12140518, 24281036, 30351295, 60702590, 121405180]

約数ペア:

[(1, 121405180), (2, 60702590), (4, 30351295), (5, 24281036), (10, 12140518), (13, 9338860), (20, 6070259), (26, 4669430), (52, 2334715), (65, 1867772), (130, 933886), (211, 575380), (260, 466943), (422, 287690), (844, 143845), (1055, 115076), (2110, 57538), (2213, 54860), (2743, 44260), (4220, 28769), (4426, 27430), (5486, 22130), (8852, 13715), (10972, 11065)]