139745551540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{989279}}^1$

素因数の和:990304

約数の個数: 48

約数和(自身を含む): 335722060800

約数和(自身を除く): 195976509260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1009, 2018, 4036, 5045, 7063, 10090, 14126, 20180, 28252, 35315, 70630, 141260, 989279, 1978558, 3957116, 4946395, 6924953, 9892790, 13849906, 19785580, 27699812, 34624765, 69249530, 138499060, 998182511, 1996365022, 3992730044, 4990912555, 6987277577, 9981825110, 13974555154, 19963650220, 27949110308, 34936387885, 69872775770, 139745551540]

約数ペア:

[(1, 139745551540), (2, 69872775770), (4, 34936387885), (5, 27949110308), (7, 19963650220), (10, 13974555154), (14, 9981825110), (20, 6987277577), (28, 4990912555), (35, 3992730044), (70, 1996365022), (140, 998182511), (1009, 138499060), (2018, 69249530), (4036, 34624765), (5045, 27699812), (7063, 19785580), (10090, 13849906), (14126, 9892790), (20180, 6924953), (28252, 4946395), (35315, 3957116), (70630, 1978558), (141260, 989279)]