173720120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{620429}}^1$

素因数の和:620447

約数の個数: 32

約数和(自身を含む): 446709600

約数和(自身を除く): 272989480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 620429, 1240858, 2481716, 3102145, 4343003, 4963432, 6204290, 8686006, 12408580, 17372012, 21715015, 24817160, 34744024, 43430030, 86860060, 173720120]

約数ペア:

[(1, 173720120), (2, 86860060), (4, 43430030), (5, 34744024), (7, 24817160), (8, 21715015), (10, 17372012), (14, 12408580), (20, 8686006), (28, 6204290), (35, 4963432), (40, 4343003), (56, 3102145), (70, 2481716), (140, 1240858), (280, 620429)]