2739940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19571}}^1$

素因数の和:19587

約数の個数: 24

約数和(自身を含む): 6576192

約数和(自身を除く): 3836252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19571, 39142, 78284, 97855, 136997, 195710, 273994, 391420, 547988, 684985, 1369970, 2739940]

約数ペア:

[(1, 2739940), (2, 1369970), (4, 684985), (5, 547988), (7, 391420), (10, 273994), (14, 195710), (20, 136997), (28, 97855), (35, 78284), (70, 39142), (140, 19571)]