217710580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{231607}}^1$

素因数の和:231663

約数の個数: 24

約数和(自身を含む): 466921728

約数和(自身を除く): 249211148

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 231607, 463214, 926428, 1158035, 2316070, 4632140, 10885529, 21771058, 43542116, 54427645, 108855290, 217710580]

約数ペア:

[(1, 217710580), (2, 108855290), (4, 54427645), (5, 43542116), (10, 21771058), (20, 10885529), (47, 4632140), (94, 2316070), (188, 1158035), (235, 926428), (470, 463214), (940, 231607)]