9791180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 24399648

約数和(自身を除く): 14608468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 103, 140, 194, 196, 206, 245, 388, 412, 485, 490, 515, 679, 721, 970, 980, 1030, 1358, 1442, 1940, 2060, 2716, 2884, 3395, 3605, 4753, 5047, 6790, 7210, 9506, 9991, 10094, 13580, 14420, 19012, 19982, 20188, 23765, 25235, 39964, 47530, 49955, 50470, 69937, 95060, 99910, 100940, 139874, 199820, 279748, 349685, 489559, 699370, 979118, 1398740, 1958236, 2447795, 4895590, 9791180]

約数ペア:

[(1, 9791180), (2, 4895590), (4, 2447795), (5, 1958236), (7, 1398740), (10, 979118), (14, 699370), (20, 489559), (28, 349685), (35, 279748), (49, 199820), (70, 139874), (97, 100940), (98, 99910), (103, 95060), (140, 69937), (194, 50470), (196, 49955), (206, 47530), (245, 39964), (388, 25235), (412, 23765), (485, 20188), (490, 19982), (515, 19012), (679, 14420), (721, 13580), (970, 10094), (980, 9991), (1030, 9506), (1358, 7210), (1442, 6790), (1940, 5047), (2060, 4753), (2716, 3605), (2884, 3395)]