2189260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 5007744

約数和(自身を除く): 2818484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 137, 170, 188, 235, 274, 340, 470, 548, 685, 799, 940, 1370, 1598, 2329, 2740, 3196, 3995, 4658, 6439, 7990, 9316, 11645, 12878, 15980, 23290, 25756, 32195, 46580, 64390, 109463, 128780, 218926, 437852, 547315, 1094630, 2189260]

約数ペア:

[(1, 2189260), (2, 1094630), (4, 547315), (5, 437852), (10, 218926), (17, 128780), (20, 109463), (34, 64390), (47, 46580), (68, 32195), (85, 25756), (94, 23290), (137, 15980), (170, 12878), (188, 11645), (235, 9316), (274, 7990), (340, 6439), (470, 4658), (548, 3995), (685, 3196), (799, 2740), (940, 2329), (1370, 1598)]