31346420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223903}}^1$

素因数の和:223919

約数の個数: 24

約数和(自身を含む): 75231744

約数和(自身を除く): 43885324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223903, 447806, 895612, 1119515, 1567321, 2239030, 3134642, 4478060, 6269284, 7836605, 15673210, 31346420]

約数ペア:

[(1, 31346420), (2, 15673210), (4, 7836605), (5, 6269284), (7, 4478060), (10, 3134642), (14, 2239030), (20, 1567321), (28, 1119515), (35, 895612), (70, 447806), (140, 223903)]