2018710520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{2399}}^1$

素因数の和:2712

約数の個数: 64

約数和(自身を含む): 4609440000

約数和(自身を除く): 2590729480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 193, 218, 386, 436, 545, 772, 872, 965, 1090, 1544, 1930, 2180, 2399, 3860, 4360, 4798, 7720, 9596, 11995, 19192, 21037, 23990, 42074, 47980, 84148, 95960, 105185, 168296, 210370, 261491, 420740, 463007, 522982, 841480, 926014, 1045964, 1307455, 1852028, 2091928, 2315035, 2614910, 3704056, 4630070, 5229820, 9260140, 10459640, 18520280, 50467763, 100935526, 201871052, 252338815, 403742104, 504677630, 1009355260, 2018710520]

約数ペア:

[(1, 2018710520), (2, 1009355260), (4, 504677630), (5, 403742104), (8, 252338815), (10, 201871052), (20, 100935526), (40, 50467763), (109, 18520280), (193, 10459640), (218, 9260140), (386, 5229820), (436, 4630070), (545, 3704056), (772, 2614910), (872, 2315035), (965, 2091928), (1090, 1852028), (1544, 1307455), (1930, 1045964), (2180, 926014), (2399, 841480), (3860, 522982), (4360, 463007), (4798, 420740), (7720, 261491), (9596, 210370), (11995, 168296), (19192, 105185), (21037, 95960), (23990, 84148), (42074, 47980)]