211316120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 508226400

約数和(自身を除く): 296910280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 2851, 3706, 4360, 5702, 7412, 9265, 11404, 14255, 14824, 18530, 22808, 28510, 37060, 48467, 57020, 74120, 96934, 114040, 193868, 242335, 310759, 387736, 484670, 621518, 969340, 1243036, 1553795, 1938680, 2486072, 3107590, 5282903, 6215180, 10565806, 12430360, 21131612, 26414515, 42263224, 52829030, 105658060, 211316120]

約数ペア:

[(1, 211316120), (2, 105658060), (4, 52829030), (5, 42263224), (8, 26414515), (10, 21131612), (17, 12430360), (20, 10565806), (34, 6215180), (40, 5282903), (68, 3107590), (85, 2486072), (109, 1938680), (136, 1553795), (170, 1243036), (218, 969340), (340, 621518), (436, 484670), (545, 387736), (680, 310759), (872, 242335), (1090, 193868), (1853, 114040), (2180, 96934), (2851, 74120), (3706, 57020), (4360, 48467), (5702, 37060), (7412, 28510), (9265, 22808), (11404, 18530), (14255, 14824)]