271004920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157561}}^1$

素因数の和:157615

約数の個数: 32

約数和(自身を含む): 623945520

約数和(自身を除く): 352940600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 157561, 315122, 630244, 787805, 1260488, 1575610, 3151220, 6302440, 6775123, 13550246, 27100492, 33875615, 54200984, 67751230, 135502460, 271004920]

約数ペア:

[(1, 271004920), (2, 135502460), (4, 67751230), (5, 54200984), (8, 33875615), (10, 27100492), (20, 13550246), (40, 6775123), (43, 6302440), (86, 3151220), (172, 1575610), (215, 1260488), (344, 787805), (430, 630244), (860, 315122), (1720, 157561)]