245476420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1753403}}^1$

素因数の和:1753419

約数の個数: 24

約数和(自身を含む): 589143744

約数和(自身を除く): 343667324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1753403, 3506806, 7013612, 8767015, 12273821, 17534030, 24547642, 35068060, 49095284, 61369105, 122738210, 245476420]

約数ペア:

[(1, 245476420), (2, 122738210), (4, 61369105), (5, 49095284), (7, 35068060), (10, 24547642), (14, 17534030), (20, 12273821), (28, 8767015), (35, 7013612), (70, 3506806), (140, 1753403)]