202796680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 464785200

約数和(自身を除く): 261988520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 193, 218, 241, 386, 436, 482, 545, 772, 872, 964, 965, 1090, 1205, 1544, 1928, 1930, 2180, 2410, 3860, 4360, 4820, 7720, 9640, 21037, 26269, 42074, 46513, 52538, 84148, 93026, 105076, 105185, 131345, 168296, 186052, 210152, 210370, 232565, 262690, 372104, 420740, 465130, 525380, 841480, 930260, 1050760, 1860520, 5069917, 10139834, 20279668, 25349585, 40559336, 50699170, 101398340, 202796680]

約数ペア:

[(1, 202796680), (2, 101398340), (4, 50699170), (5, 40559336), (8, 25349585), (10, 20279668), (20, 10139834), (40, 5069917), (109, 1860520), (193, 1050760), (218, 930260), (241, 841480), (386, 525380), (436, 465130), (482, 420740), (545, 372104), (772, 262690), (872, 232565), (964, 210370), (965, 210152), (1090, 186052), (1205, 168296), (1544, 131345), (1928, 105185), (1930, 105076), (2180, 93026), (2410, 84148), (3860, 52538), (4360, 46513), (4820, 42074), (7720, 26269), (9640, 21037)]