439638190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{6323}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 840080160

約数和(自身を除く): 400441970

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 409, 818, 2045, 4090, 6323, 6953, 12646, 13906, 31615, 34765, 63230, 69530, 107491, 214982, 537455, 1074910, 2586107, 5172214, 12930535, 25861070, 43963819, 87927638, 219819095, 439638190]

約数ペア:

[(1, 439638190), (2, 219819095), (5, 87927638), (10, 43963819), (17, 25861070), (34, 12930535), (85, 5172214), (170, 2586107), (409, 1074910), (818, 537455), (2045, 214982), (4090, 107491), (6323, 69530), (6953, 63230), (12646, 34765), (13906, 31615)]