290382260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2074159}}^1$

素因数の和:2074175

約数の個数: 24

約数和(自身を含む): 696917760

約数和(自身を除く): 406535500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2074159, 4148318, 8296636, 10370795, 14519113, 20741590, 29038226, 41483180, 58076452, 72595565, 145191130, 290382260]

約数ペア:

[(1, 290382260), (2, 145191130), (4, 72595565), (5, 58076452), (7, 41483180), (10, 29038226), (14, 20741590), (20, 14519113), (28, 10370795), (35, 8296636), (70, 4148318), (140, 2074159)]