248889130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{507937}}^1$

素因数の和:507958

約数の個数: 24

約数和(自身を含む): 521144388

約数和(自身を除く): 272255258

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 507937, 1015874, 2539685, 3555559, 5079370, 7111118, 17777795, 24888913, 35555590, 49777826, 124444565, 248889130]

約数ペア:

[(1, 248889130), (2, 124444565), (5, 49777826), (7, 35555590), (10, 24888913), (14, 17777795), (35, 7111118), (49, 5079370), (70, 3555559), (98, 2539685), (245, 1015874), (490, 507937)]