217437280

素因数分解:

$2^5\times 5^1\times {\mathrm{1358983}}^1$

素因数の和:1358998

約数の個数: 24

約数和(自身を含む): 513695952

約数和(自身を除く): 296258672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1358983, 2717966, 5435932, 6794915, 10871864, 13589830, 21743728, 27179660, 43487456, 54359320, 108718640, 217437280]

約数ペア:

[(1, 217437280), (2, 108718640), (4, 54359320), (5, 43487456), (8, 27179660), (10, 21743728), (16, 13589830), (20, 10871864), (32, 6794915), (40, 5435932), (80, 2717966), (160, 1358983)]