222822320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{397897}}^1$

素因数の和:397917

約数の個数: 40

約数和(自身を含む): 592072224

約数和(自身を除く): 369249904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 397897, 795794, 1591588, 1989485, 2785279, 3183176, 3978970, 5570558, 6366352, 7957940, 11141116, 13926395, 15915880, 22282232, 27852790, 31831760, 44564464, 55705580, 111411160, 222822320]

約数ペア:

[(1, 222822320), (2, 111411160), (4, 55705580), (5, 44564464), (7, 31831760), (8, 27852790), (10, 22282232), (14, 15915880), (16, 13926395), (20, 11141116), (28, 7957940), (35, 6366352), (40, 5570558), (56, 3978970), (70, 3183176), (80, 2785279), (112, 1989485), (140, 1591588), (280, 795794), (560, 397897)]