123494540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3467}}^1$

素因数の和:3626

約数の個数: 48

約数和(自身を含む): 281407392

約数和(自身を除く): 157912852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3467, 3562, 6934, 7124, 8905, 13868, 17335, 17810, 34670, 35620, 45071, 69340, 90142, 180284, 225355, 450710, 474979, 901420, 949958, 1899916, 2374895, 4749790, 6174727, 9499580, 12349454, 24698908, 30873635, 61747270, 123494540]

約数ペア:

[(1, 123494540), (2, 61747270), (4, 30873635), (5, 24698908), (10, 12349454), (13, 9499580), (20, 6174727), (26, 4749790), (52, 2374895), (65, 1899916), (130, 949958), (137, 901420), (260, 474979), (274, 450710), (548, 225355), (685, 180284), (1370, 90142), (1781, 69340), (2740, 45071), (3467, 35620), (3562, 34670), (6934, 17810), (7124, 17335), (8905, 13868)]