201113720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 460944000

約数和(自身を除く): 259830280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 193, 218, 239, 386, 436, 478, 545, 772, 872, 956, 965, 1090, 1195, 1544, 1912, 1930, 2180, 2390, 3860, 4360, 4780, 7720, 9560, 21037, 26051, 42074, 46127, 52102, 84148, 92254, 104204, 105185, 130255, 168296, 184508, 208408, 210370, 230635, 260510, 369016, 420740, 461270, 521020, 841480, 922540, 1042040, 1845080, 5027843, 10055686, 20111372, 25139215, 40222744, 50278430, 100556860, 201113720]

約数ペア:

[(1, 201113720), (2, 100556860), (4, 50278430), (5, 40222744), (8, 25139215), (10, 20111372), (20, 10055686), (40, 5027843), (109, 1845080), (193, 1042040), (218, 922540), (239, 841480), (386, 521020), (436, 461270), (478, 420740), (545, 369016), (772, 260510), (872, 230635), (956, 210370), (965, 208408), (1090, 184508), (1195, 168296), (1544, 130255), (1912, 105185), (1930, 104204), (2180, 92254), (2390, 84148), (3860, 52102), (4360, 46127), (4780, 42074), (7720, 26051), (9560, 21037)]