2019628240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{18307}}^1$

素因数の和:18524

約数の個数: 80

約数和(自身を含む): 5393976192

約数和(自身を除く): 3374347952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1970, 2758, 3152, 3940, 5516, 6895, 7880, 11032, 13790, 15760, 18307, 22064, 27580, 36614, 55160, 73228, 91535, 110320, 128149, 146456, 183070, 256298, 292912, 366140, 512596, 640745, 732280, 1025192, 1281490, 1464560, 2050384, 2562980, 3606479, 5125960, 7212958, 10251920, 14425916, 18032395, 25245353, 28851832, 36064790, 50490706, 57703664, 72129580, 100981412, 126226765, 144259160, 201962824, 252453530, 288518320, 403925648, 504907060, 1009814120, 2019628240]

約数ペア:

[(1, 2019628240), (2, 1009814120), (4, 504907060), (5, 403925648), (7, 288518320), (8, 252453530), (10, 201962824), (14, 144259160), (16, 126226765), (20, 100981412), (28, 72129580), (35, 57703664), (40, 50490706), (56, 36064790), (70, 28851832), (80, 25245353), (112, 18032395), (140, 14425916), (197, 10251920), (280, 7212958), (394, 5125960), (560, 3606479), (788, 2562980), (985, 2050384), (1379, 1464560), (1576, 1281490), (1970, 1025192), (2758, 732280), (3152, 640745), (3940, 512596), (5516, 366140), (6895, 292912), (7880, 256298), (11032, 183070), (13790, 146456), (15760, 128149), (18307, 110320), (22064, 91535), (27580, 73228), (36614, 55160)]