38998540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{278561}}^1$

素因数の和:278577

約数の個数: 24

約数和(自身を含む): 93596832

約数和(自身を除く): 54598292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 278561, 557122, 1114244, 1392805, 1949927, 2785610, 3899854, 5571220, 7799708, 9749635, 19499270, 38998540]

約数ペア:

[(1, 38998540), (2, 19499270), (4, 9749635), (5, 7799708), (7, 5571220), (10, 3899854), (14, 2785610), (20, 1949927), (28, 1392805), (35, 1114244), (70, 557122), (140, 278561)]