857445380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{4241}}^1$

素因数の和:5180

約数の個数: 48

約数和(自身を含む): 1966930560

約数和(自身を除く): 1109485180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 919, 1838, 3676, 4241, 4595, 8482, 9190, 10109, 16964, 18380, 20218, 21205, 40436, 42410, 46651, 50545, 84820, 93302, 101090, 186604, 202180, 233255, 466510, 933020, 3897479, 7794958, 15589916, 19487395, 38974790, 42872269, 77949580, 85744538, 171489076, 214361345, 428722690, 857445380]

約数ペア:

[(1, 857445380), (2, 428722690), (4, 214361345), (5, 171489076), (10, 85744538), (11, 77949580), (20, 42872269), (22, 38974790), (44, 19487395), (55, 15589916), (110, 7794958), (220, 3897479), (919, 933020), (1838, 466510), (3676, 233255), (4241, 202180), (4595, 186604), (8482, 101090), (9190, 93302), (10109, 84820), (16964, 50545), (18380, 46651), (20218, 42410), (21205, 40436)]