217016240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{387529}}^1$

素因数の和:387549

約数の個数: 40

約数和(自身を含む): 576644640

約数和(自身を除く): 359628400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 387529, 775058, 1550116, 1937645, 2712703, 3100232, 3875290, 5425406, 6200464, 7750580, 10850812, 13563515, 15501160, 21701624, 27127030, 31002320, 43403248, 54254060, 108508120, 217016240]

約数ペア:

[(1, 217016240), (2, 108508120), (4, 54254060), (5, 43403248), (7, 31002320), (8, 27127030), (10, 21701624), (14, 15501160), (16, 13563515), (20, 10850812), (28, 7750580), (35, 6200464), (40, 5425406), (56, 3875290), (70, 3100232), (80, 2712703), (112, 1937645), (140, 1550116), (280, 775058), (560, 387529)]