289199320

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{56929}}^1$

素因数の和:57067

約数の個数: 32

約数和(自身を含む): 655833600

約数和(自身を除く): 366634280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 56929, 113858, 227716, 284645, 455432, 569290, 1138580, 2277160, 7229983, 14459966, 28919932, 36149915, 57839864, 72299830, 144599660, 289199320]

約数ペア:

[(1, 289199320), (2, 144599660), (4, 72299830), (5, 57839864), (8, 36149915), (10, 28919932), (20, 14459966), (40, 7229983), (127, 2277160), (254, 1138580), (508, 569290), (635, 455432), (1016, 284645), (1270, 227716), (2540, 113858), (5080, 56929)]