156984257420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{37200061}}^1$

素因数の和:37200281

約数の個数: 24

約数和(自身を含む): 331229352048

約数和(自身を除く): 174245094628

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 37200061, 74400122, 148800244, 186000305, 372000610, 744001220, 7849212871, 15698425742, 31396851484, 39246064355, 78492128710, 156984257420]

約数ペア:

[(1, 156984257420), (2, 78492128710), (4, 39246064355), (5, 31396851484), (10, 15698425742), (20, 7849212871), (211, 744001220), (422, 372000610), (844, 186000305), (1055, 148800244), (2110, 74400122), (4220, 37200061)]