240339975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 410905248

約数和(自身を除く): 170565273

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 257, 337, 555, 771, 925, 1011, 1285, 1685, 2775, 3855, 5055, 6425, 8425, 9509, 12469, 19275, 25275, 28527, 37407, 47545, 62345, 86609, 142635, 187035, 237725, 259827, 311725, 433045, 713175, 935175, 1299135, 2165225, 3204533, 6495675, 9613599, 16022665, 48067995, 80113325, 240339975]

約数ペア:

[(1, 240339975), (3, 80113325), (5, 48067995), (15, 16022665), (25, 9613599), (37, 6495675), (75, 3204533), (111, 2165225), (185, 1299135), (257, 935175), (337, 713175), (555, 433045), (771, 311725), (925, 259827), (1011, 237725), (1285, 187035), (1685, 142635), (2775, 86609), (3855, 62345), (5055, 47545), (6425, 37407), (8425, 28527), (9509, 25275), (12469, 19275)]