217258240

素因数分解:

$2^8\times 5^1\times {\mathrm{169733}}^1$

素因数の和:169754

約数の個数: 36

約数和(自身を含む): 520404444

約数和(自身を除く): 303146204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 169733, 339466, 678932, 848665, 1357864, 1697330, 2715728, 3394660, 5431456, 6789320, 10862912, 13578640, 21725824, 27157280, 43451648, 54314560, 108629120, 217258240]

約数ペア:

[(1, 217258240), (2, 108629120), (4, 54314560), (5, 43451648), (8, 27157280), (10, 21725824), (16, 13578640), (20, 10862912), (32, 6789320), (40, 5431456), (64, 3394660), (80, 2715728), (128, 1697330), (160, 1357864), (256, 848665), (320, 678932), (640, 339466), (1280, 169733)]