90456380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6661}}^1$

素因数の和:6774

約数の個数: 48

約数和(自身を含む): 219366336

約数和(自身を除く): 128909956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6661, 6790, 13322, 13580, 26644, 33305, 46627, 66610, 93254, 133220, 186508, 233135, 466270, 646117, 932540, 1292234, 2584468, 3230585, 4522819, 6461170, 9045638, 12922340, 18091276, 22614095, 45228190, 90456380]

約数ペア:

[(1, 90456380), (2, 45228190), (4, 22614095), (5, 18091276), (7, 12922340), (10, 9045638), (14, 6461170), (20, 4522819), (28, 3230585), (35, 2584468), (70, 1292234), (97, 932540), (140, 646117), (194, 466270), (388, 233135), (485, 186508), (679, 133220), (970, 93254), (1358, 66610), (1940, 46627), (2716, 33305), (3395, 26644), (6661, 13580), (6790, 13322)]