13679260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 33062400

約数和(自身を除く): 19383140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 491, 796, 982, 995, 1393, 1964, 1990, 2455, 2786, 3437, 3980, 4910, 5572, 6874, 6965, 9820, 13748, 13930, 17185, 27860, 34370, 68740, 97709, 195418, 390836, 488545, 683963, 977090, 1367926, 1954180, 2735852, 3419815, 6839630, 13679260]

約数ペア:

[(1, 13679260), (2, 6839630), (4, 3419815), (5, 2735852), (7, 1954180), (10, 1367926), (14, 977090), (20, 683963), (28, 488545), (35, 390836), (70, 195418), (140, 97709), (199, 68740), (398, 34370), (491, 27860), (796, 17185), (982, 13930), (995, 13748), (1393, 9820), (1964, 6965), (1990, 6874), (2455, 5572), (2786, 4910), (3437, 3980)]