30788380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219917}}^1$

素因数の和:219933

約数の個数: 24

約数和(自身を含む): 73892448

約数和(自身を除く): 43104068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219917, 439834, 879668, 1099585, 1539419, 2199170, 3078838, 4398340, 6157676, 7697095, 15394190, 30788380]

約数ペア:

[(1, 30788380), (2, 15394190), (4, 7697095), (5, 6157676), (7, 4398340), (10, 3078838), (14, 2199170), (20, 1539419), (28, 1099585), (35, 879668), (70, 439834), (140, 219917)]