128668624

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 299980800

約数和(自身を除く): 171312176

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 199, 251, 322, 368, 398, 502, 644, 796, 1004, 1288, 1393, 1592, 1757, 2008, 2576, 2786, 3184, 3514, 4016, 4577, 5572, 5773, 7028, 9154, 11144, 11546, 14056, 18308, 22288, 23092, 28112, 32039, 36616, 40411, 46184, 49949, 64078, 73232, 80822, 92368, 99898, 128156, 161644, 199796, 256312, 323288, 349643, 399592, 512624, 646576, 699286, 799184, 1148827, 1398572, 2297654, 2797144, 4595308, 5594288, 8041789, 9190616, 16083578, 18381232, 32167156, 64334312, 128668624]

約数ペア:

[(1, 128668624), (2, 64334312), (4, 32167156), (7, 18381232), (8, 16083578), (14, 9190616), (16, 8041789), (23, 5594288), (28, 4595308), (46, 2797144), (56, 2297654), (92, 1398572), (112, 1148827), (161, 799184), (184, 699286), (199, 646576), (251, 512624), (322, 399592), (368, 349643), (398, 323288), (502, 256312), (644, 199796), (796, 161644), (1004, 128156), (1288, 99898), (1393, 92368), (1592, 80822), (1757, 73232), (2008, 64078), (2576, 49949), (2786, 46184), (3184, 40411), (3514, 36616), (4016, 32039), (4577, 28112), (5572, 23092), (5773, 22288), (7028, 18308), (9154, 14056), (11144, 11546)]