214704640

素因数分解:

$2^9\times 5^1\times {\mathrm{83869}}^1$

素因数の和:83892

約数の個数: 40

約数和(自身を含む): 514794060

約数和(自身を除く): 300089420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 83869, 167738, 335476, 419345, 670952, 838690, 1341904, 1677380, 2683808, 3354760, 5367616, 6709520, 10735232, 13419040, 21470464, 26838080, 42940928, 53676160, 107352320, 214704640]

約数ペア:

[(1, 214704640), (2, 107352320), (4, 53676160), (5, 42940928), (8, 26838080), (10, 21470464), (16, 13419040), (20, 10735232), (32, 6709520), (40, 5367616), (64, 3354760), (80, 2683808), (128, 1677380), (160, 1341904), (256, 838690), (320, 670952), (512, 419345), (640, 335476), (1280, 167738), (2560, 83869)]