1279138420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9136703}}^1$

素因数の和:9136719

約数の個数: 24

約数和(自身を含む): 3069932544

約数和(自身を除く): 1790794124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9136703, 18273406, 36546812, 45683515, 63956921, 91367030, 127913842, 182734060, 255827684, 319784605, 639569210, 1279138420]

約数ペア:

[(1, 1279138420), (2, 639569210), (4, 319784605), (5, 255827684), (7, 182734060), (10, 127913842), (14, 91367030), (20, 63956921), (28, 45683515), (35, 36546812), (70, 18273406), (140, 9136703)]