872487420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2077351}}^1$

素因数の和:2077370

約数の個数: 48

約数和(自身を含む): 2791961088

約数和(自身を除く): 1919473668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2077351, 4154702, 6232053, 8309404, 10386755, 12464106, 14541457, 20773510, 24928212, 29082914, 31160265, 41547020, 43624371, 58165828, 62320530, 72707285, 87248742, 124641060, 145414570, 174497484, 218121855, 290829140, 436243710, 872487420]

約数ペア:

[(1, 872487420), (2, 436243710), (3, 290829140), (4, 218121855), (5, 174497484), (6, 145414570), (7, 124641060), (10, 87248742), (12, 72707285), (14, 62320530), (15, 58165828), (20, 43624371), (21, 41547020), (28, 31160265), (30, 29082914), (35, 24928212), (42, 20773510), (60, 14541457), (70, 12464106), (84, 10386755), (105, 8309404), (140, 6232053), (210, 4154702), (420, 2077351)]