218548120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16607}}^1$

素因数の和:16672

約数の個数: 64

約数和(自身を含む): 573972480

約数和(自身を除く): 355424360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 16607, 33214, 66428, 83035, 116249, 132856, 166070, 232498, 332140, 464996, 581245, 664280, 780529, 929992, 1162490, 1561058, 2324980, 3122116, 3902645, 4649960, 5463703, 6244232, 7805290, 10927406, 15610580, 21854812, 27318515, 31221160, 43709624, 54637030, 109274060, 218548120]

約数ペア:

[(1, 218548120), (2, 109274060), (4, 54637030), (5, 43709624), (7, 31221160), (8, 27318515), (10, 21854812), (14, 15610580), (20, 10927406), (28, 7805290), (35, 6244232), (40, 5463703), (47, 4649960), (56, 3902645), (70, 3122116), (94, 2324980), (140, 1561058), (188, 1162490), (235, 929992), (280, 780529), (329, 664280), (376, 581245), (470, 464996), (658, 332140), (940, 232498), (1316, 166070), (1645, 132856), (1880, 116249), (2632, 83035), (3290, 66428), (6580, 33214), (13160, 16607)]