9220820

素因数分解:

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

素因数の和:217

約数の個数: 54

約数和(自身を含む): 22759758

約数和(自身を除く): 13538938

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1940, 2716, 3395, 4753, 6790, 9409, 9506, 13580, 18818, 19012, 23765, 37636, 47045, 47530, 65863, 94090, 95060, 131726, 188180, 263452, 329315, 461041, 658630, 922082, 1317260, 1844164, 2305205, 4610410, 9220820]

約数ペア:

[(1, 9220820), (2, 4610410), (4, 2305205), (5, 1844164), (7, 1317260), (10, 922082), (14, 658630), (20, 461041), (28, 329315), (35, 263452), (49, 188180), (70, 131726), (97, 95060), (98, 94090), (140, 65863), (194, 47530), (196, 47045), (245, 37636), (388, 23765), (485, 19012), (490, 18818), (679, 13580), (970, 9506), (980, 9409), (1358, 6790), (1940, 4753), (2716, 3395)]