259370860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1852649}}^1$

素因数の和:1852665

約数の個数: 24

約数和(自身を含む): 622490400

約数和(自身を除く): 363119540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1852649, 3705298, 7410596, 9263245, 12968543, 18526490, 25937086, 37052980, 51874172, 64842715, 129685430, 259370860]

約数ペア:

[(1, 259370860), (2, 129685430), (4, 64842715), (5, 51874172), (7, 37052980), (10, 25937086), (14, 18526490), (20, 12968543), (28, 9263245), (35, 7410596), (70, 3705298), (140, 1852649)]