1689940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12071}}^1$

素因数の和:12087

約数の個数: 24

約数和(自身を含む): 4056192

約数和(自身を除く): 2366252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12071, 24142, 48284, 60355, 84497, 120710, 168994, 241420, 337988, 422485, 844970, 1689940]

約数ペア:

[(1, 1689940), (2, 844970), (4, 422485), (5, 337988), (7, 241420), (10, 168994), (14, 120710), (20, 84497), (28, 60355), (35, 48284), (70, 24142), (140, 12071)]