138704540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17209}}^1$

素因数の和:17262

約数の個数: 48

約数和(自身を含む): 323823360

約数和(自身を除く): 185118820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 17209, 34418, 68836, 86045, 172090, 223717, 344180, 447434, 533479, 894868, 1066958, 1118585, 2133916, 2237170, 2667395, 4474340, 5334790, 6935227, 10669580, 13870454, 27740908, 34676135, 69352270, 138704540]

約数ペア:

[(1, 138704540), (2, 69352270), (4, 34676135), (5, 27740908), (10, 13870454), (13, 10669580), (20, 6935227), (26, 5334790), (31, 4474340), (52, 2667395), (62, 2237170), (65, 2133916), (124, 1118585), (130, 1066958), (155, 894868), (260, 533479), (310, 447434), (403, 344180), (620, 223717), (806, 172090), (1612, 86045), (2015, 68836), (4030, 34418), (8060, 17209)]