13428520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 34848000

約数和(自身を除く): 21419480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 241, 280, 398, 482, 796, 964, 995, 1205, 1393, 1592, 1687, 1928, 1990, 2410, 2786, 3374, 3980, 4820, 5572, 6748, 6965, 7960, 8435, 9640, 11144, 13496, 13930, 16870, 27860, 33740, 47959, 55720, 67480, 95918, 191836, 239795, 335713, 383672, 479590, 671426, 959180, 1342852, 1678565, 1918360, 2685704, 3357130, 6714260, 13428520]

約数ペア:

[(1, 13428520), (2, 6714260), (4, 3357130), (5, 2685704), (7, 1918360), (8, 1678565), (10, 1342852), (14, 959180), (20, 671426), (28, 479590), (35, 383672), (40, 335713), (56, 239795), (70, 191836), (140, 95918), (199, 67480), (241, 55720), (280, 47959), (398, 33740), (482, 27860), (796, 16870), (964, 13930), (995, 13496), (1205, 11144), (1393, 9640), (1592, 8435), (1687, 7960), (1928, 6965), (1990, 6748), (2410, 5572), (2786, 4820), (3374, 3980)]