280121275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{84247}}^1$

素因数の和:84283

約数の個数: 24

約数和(自身を含む): 417870080

約数和(自身を除く): 137748805

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 84247, 421235, 589729, 1600693, 2106175, 2948645, 8003465, 11204851, 14743225, 40017325, 56024255, 280121275]

約数ペア:

[(1, 280121275), (5, 56024255), (7, 40017325), (19, 14743225), (25, 11204851), (35, 8003465), (95, 2948645), (133, 2106175), (175, 1600693), (475, 589729), (665, 421235), (3325, 84247)]