349876720

素因数分解:

$2^4\times 5^1\times {\mathrm{4373459}}^1$

素因数の和:4373472

約数の個数: 20

約数和(自身を含む): 813463560

約数和(自身を除く): 463586840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4373459, 8746918, 17493836, 21867295, 34987672, 43734590, 69975344, 87469180, 174938360, 349876720]

約数ペア:

[(1, 349876720), (2, 174938360), (4, 87469180), (5, 69975344), (8, 43734590), (10, 34987672), (16, 21867295), (20, 17493836), (40, 8746918), (80, 4373459)]