285429680

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{17929}}^1$

素因数の和:18141

約数の個数: 40

約数和(自身を含む): 666996000

約数和(自身を除く): 381566320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 17929, 35858, 71716, 89645, 143432, 179290, 286864, 358580, 717160, 1434320, 3567871, 7135742, 14271484, 17839355, 28542968, 35678710, 57085936, 71357420, 142714840, 285429680]

約数ペア:

[(1, 285429680), (2, 142714840), (4, 71357420), (5, 57085936), (8, 35678710), (10, 28542968), (16, 17839355), (20, 14271484), (40, 7135742), (80, 3567871), (199, 1434320), (398, 717160), (796, 358580), (995, 286864), (1592, 179290), (1990, 143432), (3184, 89645), (3980, 71716), (7960, 35858), (15920, 17929)]