29940260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{213859}}^1$

素因数の和:213875

約数の個数: 24

約数和(自身を含む): 71856960

約数和(自身を除く): 41916700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 213859, 427718, 855436, 1069295, 1497013, 2138590, 2994026, 4277180, 5988052, 7485065, 14970130, 29940260]

約数ペア:

[(1, 29940260), (2, 14970130), (4, 7485065), (5, 5988052), (7, 4277180), (10, 2994026), (14, 2138590), (20, 1497013), (28, 1069295), (35, 855436), (70, 427718), (140, 213859)]