320020850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{278279}}^1$

素因数の和:278314

約数の個数: 24

約数和(自身を含む): 621120960

約数和(自身を除く): 301100110

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 278279, 556558, 1391395, 2782790, 6400417, 6956975, 12800834, 13913950, 32002085, 64004170, 160010425, 320020850]

約数ペア:

[(1, 320020850), (2, 160010425), (5, 64004170), (10, 32002085), (23, 13913950), (25, 12800834), (46, 6956975), (50, 6400417), (115, 2782790), (230, 1391395), (575, 556558), (1150, 278279)]