674922280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 1550016000

約数和(自身を除く): 875093720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 137, 158, 274, 316, 395, 548, 632, 685, 790, 1096, 1370, 1559, 1580, 2740, 3118, 3160, 5480, 6236, 7795, 10823, 12472, 15590, 21646, 31180, 43292, 54115, 62360, 86584, 108230, 123161, 213583, 216460, 246322, 427166, 432920, 492644, 615805, 854332, 985288, 1067915, 1231610, 1708664, 2135830, 2463220, 4271660, 4926440, 8543320, 16873057, 33746114, 67492228, 84365285, 134984456, 168730570, 337461140, 674922280]

約数ペア:

[(1, 674922280), (2, 337461140), (4, 168730570), (5, 134984456), (8, 84365285), (10, 67492228), (20, 33746114), (40, 16873057), (79, 8543320), (137, 4926440), (158, 4271660), (274, 2463220), (316, 2135830), (395, 1708664), (548, 1231610), (632, 1067915), (685, 985288), (790, 854332), (1096, 615805), (1370, 492644), (1559, 432920), (1580, 427166), (2740, 246322), (3118, 216460), (3160, 213583), (5480, 123161), (6236, 108230), (7795, 86584), (10823, 62360), (12472, 54115), (15590, 43292), (21646, 31180)]