660416260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4717259}}^1$

素因数の和:4717275

約数の個数: 24

約数和(自身を含む): 1584999360

約数和(自身を除く): 924583100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4717259, 9434518, 18869036, 23586295, 33020813, 47172590, 66041626, 94345180, 132083252, 165104065, 330208130, 660416260]

約数ペア:

[(1, 660416260), (2, 330208130), (4, 165104065), (5, 132083252), (7, 94345180), (10, 66041626), (14, 47172590), (20, 33020813), (28, 23586295), (35, 18869036), (70, 9434518), (140, 4717259)]