1549940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11071}}^1$

素因数の和:11087

約数の個数: 24

約数和(自身を含む): 3720192

約数和(自身を除く): 2170252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11071, 22142, 44284, 55355, 77497, 110710, 154994, 221420, 309988, 387485, 774970, 1549940]

約数ペア:

[(1, 1549940), (2, 774970), (4, 387485), (5, 309988), (7, 221420), (10, 154994), (14, 110710), (20, 77497), (28, 55355), (35, 44284), (70, 22142), (140, 11071)]