205657160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1811}}^1$

素因数の和:2006

約数の個数: 64

約数和(自身を含む): 493153920

約数和(自身を除く): 287496760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 167, 170, 334, 340, 668, 680, 835, 1336, 1670, 1811, 2839, 3340, 3622, 5678, 6680, 7244, 9055, 11356, 14195, 14488, 18110, 22712, 28390, 30787, 36220, 56780, 61574, 72440, 113560, 123148, 153935, 246296, 302437, 307870, 604874, 615740, 1209748, 1231480, 1512185, 2419496, 3024370, 5141429, 6048740, 10282858, 12097480, 20565716, 25707145, 41131432, 51414290, 102828580, 205657160]

約数ペア:

[(1, 205657160), (2, 102828580), (4, 51414290), (5, 41131432), (8, 25707145), (10, 20565716), (17, 12097480), (20, 10282858), (34, 6048740), (40, 5141429), (68, 3024370), (85, 2419496), (136, 1512185), (167, 1231480), (170, 1209748), (334, 615740), (340, 604874), (668, 307870), (680, 302437), (835, 246296), (1336, 153935), (1670, 123148), (1811, 113560), (2839, 72440), (3340, 61574), (3622, 56780), (5678, 36220), (6680, 30787), (7244, 28390), (9055, 22712), (11356, 18110), (14195, 14488)]