2989790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 5844960

約数和(自身を除く): 2855170

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 409, 430, 731, 818, 1462, 2045, 3655, 4090, 6953, 7310, 13906, 17587, 34765, 35174, 69530, 87935, 175870, 298979, 597958, 1494895, 2989790]

約数ペア:

[(1, 2989790), (2, 1494895), (5, 597958), (10, 298979), (17, 175870), (34, 87935), (43, 69530), (85, 35174), (86, 34765), (170, 17587), (215, 13906), (409, 7310), (430, 6953), (731, 4090), (818, 3655), (1462, 2045)]