202188980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7331}}^1$

素因数の和:7544

約数の個数: 48

約数和(自身を含む): 487783296

約数和(自身を除く): 285594316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 7331, 13790, 14662, 27580, 29324, 36655, 51317, 73310, 102634, 146620, 205268, 256585, 513170, 1026340, 1444207, 2888414, 5776828, 7221035, 10109449, 14442070, 20218898, 28884140, 40437796, 50547245, 101094490, 202188980]

約数ペア:

[(1, 202188980), (2, 101094490), (4, 50547245), (5, 40437796), (7, 28884140), (10, 20218898), (14, 14442070), (20, 10109449), (28, 7221035), (35, 5776828), (70, 2888414), (140, 1444207), (197, 1026340), (394, 513170), (788, 256585), (985, 205268), (1379, 146620), (1970, 102634), (2758, 73310), (3940, 51317), (5516, 36655), (6895, 29324), (7331, 27580), (13790, 14662)]