1289343020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9209593}}^1$

素因数の和:9209609

約数の個数: 24

約数和(自身を含む): 3094423584

約数和(自身を除く): 1805080564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9209593, 18419186, 36838372, 46047965, 64467151, 92095930, 128934302, 184191860, 257868604, 322335755, 644671510, 1289343020]

約数ペア:

[(1, 1289343020), (2, 644671510), (4, 322335755), (5, 257868604), (7, 184191860), (10, 128934302), (14, 92095930), (20, 64467151), (28, 46047965), (35, 36838372), (70, 18419186), (140, 9209593)]