31422440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112223}}^1$

素因数の和:112241

約数の個数: 32

約数和(自身を含む): 80801280

約数和(自身を除く): 49378840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112223, 224446, 448892, 561115, 785561, 897784, 1122230, 1571122, 2244460, 3142244, 3927805, 4488920, 6284488, 7855610, 15711220, 31422440]

約数ペア:

[(1, 31422440), (2, 15711220), (4, 7855610), (5, 6284488), (7, 4488920), (8, 3927805), (10, 3142244), (14, 2244460), (20, 1571122), (28, 1122230), (35, 897784), (40, 785561), (56, 561115), (70, 448892), (140, 224446), (280, 112223)]