13344940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 32256000

約数和(自身を除く): 18911060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 479, 796, 958, 995, 1393, 1916, 1990, 2395, 2786, 3353, 3980, 4790, 5572, 6706, 6965, 9580, 13412, 13930, 16765, 27860, 33530, 67060, 95321, 190642, 381284, 476605, 667247, 953210, 1334494, 1906420, 2668988, 3336235, 6672470, 13344940]

約数ペア:

[(1, 13344940), (2, 6672470), (4, 3336235), (5, 2668988), (7, 1906420), (10, 1334494), (14, 953210), (20, 667247), (28, 476605), (35, 381284), (70, 190642), (140, 95321), (199, 67060), (398, 33530), (479, 27860), (796, 16765), (958, 13930), (995, 13412), (1393, 9580), (1916, 6965), (1990, 6706), (2395, 5572), (2786, 4790), (3353, 3980)]