1640030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3347}}^1$

素因数の和:3368

約数の個数: 24

約数和(自身を含む): 3435048

約数和(自身を除く): 1795018

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3347, 6694, 16735, 23429, 33470, 46858, 117145, 164003, 234290, 328006, 820015, 1640030]

約数ペア:

[(1, 1640030), (2, 820015), (5, 328006), (7, 234290), (10, 164003), (14, 117145), (35, 46858), (49, 33470), (70, 23429), (98, 16735), (245, 6694), (490, 3347)]