1427420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 3024000

約数和(自身を除く): 1596580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 479, 596, 745, 958, 1490, 1916, 2395, 2980, 4790, 9580, 71371, 142742, 285484, 356855, 713710, 1427420]

約数ペア:

[(1, 1427420), (2, 713710), (4, 356855), (5, 285484), (10, 142742), (20, 71371), (149, 9580), (298, 4790), (479, 2980), (596, 2395), (745, 1916), (958, 1490)]