23891980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3631}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 58576896

約数和(自身を除く): 34684916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 3631, 6580, 7262, 14524, 18155, 25417, 36310, 50834, 72620, 101668, 127085, 170657, 254170, 341314, 508340, 682628, 853285, 1194599, 1706570, 2389198, 3413140, 4778396, 5972995, 11945990, 23891980]

約数ペア:

[(1, 23891980), (2, 11945990), (4, 5972995), (5, 4778396), (7, 3413140), (10, 2389198), (14, 1706570), (20, 1194599), (28, 853285), (35, 682628), (47, 508340), (70, 341314), (94, 254170), (140, 170657), (188, 127085), (235, 101668), (329, 72620), (470, 50834), (658, 36310), (940, 25417), (1316, 18155), (1645, 14524), (3290, 7262), (3631, 6580)]