219907580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{22303}}^1$

素因数の和:22358

約数の個数: 48

約数和(自身を含む): 505854720

約数和(自身を除く): 285947140

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 22303, 44606, 89212, 111515, 223030, 379151, 446060, 646787, 758302, 1293574, 1516604, 1895755, 2587148, 3233935, 3791510, 6467870, 7583020, 10995379, 12935740, 21990758, 43981516, 54976895, 109953790, 219907580]

約数ペア:

[(1, 219907580), (2, 109953790), (4, 54976895), (5, 43981516), (10, 21990758), (17, 12935740), (20, 10995379), (29, 7583020), (34, 6467870), (58, 3791510), (68, 3233935), (85, 2587148), (116, 1895755), (145, 1516604), (170, 1293574), (290, 758302), (340, 646787), (493, 446060), (580, 379151), (986, 223030), (1972, 111515), (2465, 89212), (4930, 44606), (9860, 22303)]