199304840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1361}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 513855360

約数和(自身を除く): 314550520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 523, 1046, 1361, 2092, 2615, 2722, 3661, 4184, 5230, 5444, 6805, 7322, 9527, 10460, 10888, 13610, 14644, 18305, 19054, 20920, 27220, 29288, 36610, 38108, 47635, 54440, 73220, 76216, 95270, 146440, 190540, 381080, 711803, 1423606, 2847212, 3559015, 4982621, 5694424, 7118030, 9965242, 14236060, 19930484, 24913105, 28472120, 39860968, 49826210, 99652420, 199304840]

約数ペア:

[(1, 199304840), (2, 99652420), (4, 49826210), (5, 39860968), (7, 28472120), (8, 24913105), (10, 19930484), (14, 14236060), (20, 9965242), (28, 7118030), (35, 5694424), (40, 4982621), (56, 3559015), (70, 2847212), (140, 1423606), (280, 711803), (523, 381080), (1046, 190540), (1361, 146440), (2092, 95270), (2615, 76216), (2722, 73220), (3661, 54440), (4184, 47635), (5230, 38108), (5444, 36610), (6805, 29288), (7322, 27220), (9527, 20920), (10460, 19054), (10888, 18305), (13610, 14644)]