206989640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36187}}^1$

素因数の和:36222

約数の個数: 64

約数和(自身を含む): 547162560

約数和(自身を除く): 340172920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 36187, 72374, 144748, 180935, 289496, 361870, 398057, 470431, 723740, 796114, 940862, 1447480, 1592228, 1881724, 1990285, 2352155, 3184456, 3763448, 3980570, 4704310, 5174741, 7961140, 9408620, 10349482, 15922280, 18817240, 20698964, 25873705, 41397928, 51747410, 103494820, 206989640]

約数ペア:

[(1, 206989640), (2, 103494820), (4, 51747410), (5, 41397928), (8, 25873705), (10, 20698964), (11, 18817240), (13, 15922280), (20, 10349482), (22, 9408620), (26, 7961140), (40, 5174741), (44, 4704310), (52, 3980570), (55, 3763448), (65, 3184456), (88, 2352155), (104, 1990285), (110, 1881724), (130, 1592228), (143, 1447480), (220, 940862), (260, 796114), (286, 723740), (440, 470431), (520, 398057), (572, 361870), (715, 289496), (1144, 180935), (1430, 144748), (2860, 72374), (5720, 36187)]