450484240

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 1068503040

約数和(自身を除く): 618018800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 127, 202, 254, 404, 439, 505, 508, 635, 808, 878, 1010, 1016, 1270, 1616, 1756, 2020, 2032, 2195, 2540, 3512, 4040, 4390, 5080, 7024, 8080, 8780, 10160, 12827, 17560, 25654, 35120, 44339, 51308, 55753, 64135, 88678, 102616, 111506, 128270, 177356, 205232, 221695, 223012, 256540, 278765, 354712, 443390, 446024, 513080, 557530, 709424, 886780, 892048, 1026160, 1115060, 1773560, 2230120, 3547120, 4460240, 5631053, 11262106, 22524212, 28155265, 45048424, 56310530, 90096848, 112621060, 225242120, 450484240]

約数ペア:

[(1, 450484240), (2, 225242120), (4, 112621060), (5, 90096848), (8, 56310530), (10, 45048424), (16, 28155265), (20, 22524212), (40, 11262106), (80, 5631053), (101, 4460240), (127, 3547120), (202, 2230120), (254, 1773560), (404, 1115060), (439, 1026160), (505, 892048), (508, 886780), (635, 709424), (808, 557530), (878, 513080), (1010, 446024), (1016, 443390), (1270, 354712), (1616, 278765), (1756, 256540), (2020, 223012), (2032, 221695), (2195, 205232), (2540, 177356), (3512, 128270), (4040, 111506), (4390, 102616), (5080, 88678), (7024, 64135), (8080, 55753), (8780, 51308), (10160, 44339), (12827, 35120), (17560, 25654)]