31351460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223939}}^1$

素因数の和:223955

約数の個数: 24

約数和(自身を含む): 75243840

約数和(自身を除く): 43892380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223939, 447878, 895756, 1119695, 1567573, 2239390, 3135146, 4478780, 6270292, 7837865, 15675730, 31351460]

約数ペア:

[(1, 31351460), (2, 15675730), (4, 7837865), (5, 6270292), (7, 4478780), (10, 3135146), (14, 2239390), (20, 1567573), (28, 1119695), (35, 895756), (70, 447878), (140, 223939)]