247481220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{589241}}^1$

素因数の和:589260

約数の個数: 48

約数和(自身を含む): 791941248

約数和(自身を除く): 544460028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 589241, 1178482, 1767723, 2356964, 2946205, 3535446, 4124687, 5892410, 7070892, 8249374, 8838615, 11784820, 12374061, 16498748, 17677230, 20623435, 24748122, 35354460, 41246870, 49496244, 61870305, 82493740, 123740610, 247481220]

約数ペア:

[(1, 247481220), (2, 123740610), (3, 82493740), (4, 61870305), (5, 49496244), (6, 41246870), (7, 35354460), (10, 24748122), (12, 20623435), (14, 17677230), (15, 16498748), (20, 12374061), (21, 11784820), (28, 8838615), (30, 8249374), (35, 7070892), (42, 5892410), (60, 4124687), (70, 3535446), (84, 2946205), (105, 2356964), (140, 1767723), (210, 1178482), (420, 589241)]