7274140

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{907}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 15330672

約数和(自身を除く): 8056532

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 907, 1604, 1814, 2005, 3628, 4010, 4535, 8020, 9070, 18140, 363707, 727414, 1454828, 1818535, 3637070, 7274140]

約数ペア:

[(1, 7274140), (2, 3637070), (4, 1818535), (5, 1454828), (10, 727414), (20, 363707), (401, 18140), (802, 9070), (907, 8020), (1604, 4535), (1814, 4010), (2005, 3628)]