612220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4373}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 1469664

約数和(自身を除く): 857444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4373, 8746, 17492, 21865, 30611, 43730, 61222, 87460, 122444, 153055, 306110, 612220]

約数ペア:

[(1, 612220), (2, 306110), (4, 153055), (5, 122444), (7, 87460), (10, 61222), (14, 43730), (20, 30611), (28, 21865), (35, 17492), (70, 8746), (140, 4373)]