117893960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{68543}}^1$

素因数の和:68597

約数の個数: 32

約数和(自身を含む): 271434240

約数和(自身を除く): 153540280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 68543, 137086, 274172, 342715, 548344, 685430, 1370860, 2741720, 2947349, 5894698, 11789396, 14736745, 23578792, 29473490, 58946980, 117893960]

約数ペア:

[(1, 117893960), (2, 58946980), (4, 29473490), (5, 23578792), (8, 14736745), (10, 11789396), (20, 5894698), (40, 2947349), (43, 2741720), (86, 1370860), (172, 685430), (215, 548344), (344, 342715), (430, 274172), (860, 137086), (1720, 68543)]