78591940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2473}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 189528192

約数和(自身を除く): 110936252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 2473, 3178, 4540, 4946, 6356, 7945, 9892, 12365, 15890, 17311, 24730, 31780, 34622, 49460, 69244, 86555, 173110, 346220, 561371, 1122742, 2245484, 2806855, 3929597, 5613710, 7859194, 11227420, 15718388, 19647985, 39295970, 78591940]

約数ペア:

[(1, 78591940), (2, 39295970), (4, 19647985), (5, 15718388), (7, 11227420), (10, 7859194), (14, 5613710), (20, 3929597), (28, 2806855), (35, 2245484), (70, 1122742), (140, 561371), (227, 346220), (454, 173110), (908, 86555), (1135, 69244), (1589, 49460), (2270, 34622), (2473, 31780), (3178, 24730), (4540, 17311), (4946, 15890), (6356, 12365), (7945, 9892)]