7480280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4349}}^1$

素因数の和:4403

約数の個数: 32

約数和(自身を含む): 17226000

約数和(自身を除く): 9745720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4349, 8698, 17396, 21745, 34792, 43490, 86980, 173960, 187007, 374014, 748028, 935035, 1496056, 1870070, 3740140, 7480280]

約数ペア:

[(1, 7480280), (2, 3740140), (4, 1870070), (5, 1496056), (8, 935035), (10, 748028), (20, 374014), (40, 187007), (43, 173960), (86, 86980), (172, 43490), (215, 34792), (344, 21745), (430, 17396), (860, 8698), (1720, 4349)]