727931260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{1871}}^1$

素因数の和:2291

約数の個数: 72

約数和(自身を含む): 1783664064

約数和(自身を除く): 1055732804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 397, 490, 794, 980, 1588, 1871, 1985, 2779, 3742, 3970, 5558, 7484, 7940, 9355, 11116, 13097, 13895, 18710, 19453, 26194, 27790, 37420, 38906, 52388, 55580, 65485, 77812, 91679, 97265, 130970, 183358, 194530, 261940, 366716, 389060, 458395, 742787, 916790, 1485574, 1833580, 2971148, 3713935, 5199509, 7427870, 10399018, 14855740, 20798036, 25997545, 36396563, 51995090, 72793126, 103990180, 145586252, 181982815, 363965630, 727931260]

約数ペア:

[(1, 727931260), (2, 363965630), (4, 181982815), (5, 145586252), (7, 103990180), (10, 72793126), (14, 51995090), (20, 36396563), (28, 25997545), (35, 20798036), (49, 14855740), (70, 10399018), (98, 7427870), (140, 5199509), (196, 3713935), (245, 2971148), (397, 1833580), (490, 1485574), (794, 916790), (980, 742787), (1588, 458395), (1871, 389060), (1985, 366716), (2779, 261940), (3742, 194530), (3970, 183358), (5558, 130970), (7484, 97265), (7940, 91679), (9355, 77812), (11116, 65485), (13097, 55580), (13895, 52388), (18710, 38906), (19453, 37420), (26194, 27790)]