2142770

素因数分解:

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

素因数の和:4394

約数の個数: 24

約数和(自身を含む): 4487724

約数和(自身を除く): 2344954

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4373, 8746, 21865, 30611, 43730, 61222, 153055, 214277, 306110, 428554, 1071385, 2142770]

約数ペア:

[(1, 2142770), (2, 1071385), (5, 428554), (7, 306110), (10, 214277), (14, 153055), (35, 61222), (49, 43730), (70, 30611), (98, 21865), (245, 8746), (490, 4373)]