1269172660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{394153}}^1$

素因数の和:394192

約数の個数: 48

約数和(自身を含む): 3178457856

約数和(自身を除く): 1909285196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 394153, 788306, 1576612, 1970765, 2759071, 3941530, 5518142, 7883060, 9065519, 11036284, 13795355, 18131038, 27590710, 36262076, 45327595, 55181420, 63458633, 90655190, 126917266, 181310380, 253834532, 317293165, 634586330, 1269172660]

約数ペア:

[(1, 1269172660), (2, 634586330), (4, 317293165), (5, 253834532), (7, 181310380), (10, 126917266), (14, 90655190), (20, 63458633), (23, 55181420), (28, 45327595), (35, 36262076), (46, 27590710), (70, 18131038), (92, 13795355), (115, 11036284), (140, 9065519), (161, 7883060), (230, 5518142), (322, 3941530), (460, 2759071), (644, 1970765), (805, 1576612), (1610, 788306), (3220, 394153)]