218457280

素因数分解:

$2^6\times 5^1\times {\mathrm{682679}}^1$

素因数の和:682696

約数の個数: 28

約数和(自身を含む): 520202160

約数和(自身を除く): 301744880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 682679, 1365358, 2730716, 3413395, 5461432, 6826790, 10922864, 13653580, 21845728, 27307160, 43691456, 54614320, 109228640, 218457280]

約数ペア:

[(1, 218457280), (2, 109228640), (4, 54614320), (5, 43691456), (8, 27307160), (10, 21845728), (16, 13653580), (20, 10922864), (32, 6826790), (40, 5461432), (64, 3413395), (80, 2730716), (160, 1365358), (320, 682679)]