205048060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3581}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 493456320

約数和(自身を除く): 288408260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 3581, 4090, 5726, 7162, 8180, 11452, 14315, 14324, 17905, 25067, 28630, 35810, 50134, 57260, 71620, 100268, 125335, 250670, 501340, 1464629, 2929258, 5858516, 7323145, 10252403, 14646290, 20504806, 29292580, 41009612, 51262015, 102524030, 205048060]

約数ペア:

[(1, 205048060), (2, 102524030), (4, 51262015), (5, 41009612), (7, 29292580), (10, 20504806), (14, 14646290), (20, 10252403), (28, 7323145), (35, 5858516), (70, 2929258), (140, 1464629), (409, 501340), (818, 250670), (1636, 125335), (2045, 100268), (2863, 71620), (3581, 57260), (4090, 50134), (5726, 35810), (7162, 28630), (8180, 25067), (11452, 17905), (14315, 14324)]