138459460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8956

約数の個数: 48

約数和(自身を含む): 313568640

約数和(自身を除く): 175109180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 8887, 15580, 17774, 35548, 44435, 88870, 168853, 177740, 337706, 364367, 675412, 728734, 844265, 1457468, 1688530, 1821835, 3377060, 3643670, 6922973, 7287340, 13845946, 27691892, 34614865, 69229730, 138459460]

約数ペア:

[(1, 138459460), (2, 69229730), (4, 34614865), (5, 27691892), (10, 13845946), (19, 7287340), (20, 6922973), (38, 3643670), (41, 3377060), (76, 1821835), (82, 1688530), (95, 1457468), (164, 844265), (190, 728734), (205, 675412), (380, 364367), (410, 337706), (779, 177740), (820, 168853), (1558, 88870), (3116, 44435), (3895, 35548), (7790, 17774), (8887, 15580)]