2000390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 4466016

約数和(自身を除く): 2465626

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 82, 85, 119, 170, 205, 238, 287, 410, 574, 595, 697, 1190, 1394, 1435, 1681, 2870, 3362, 3485, 4879, 6970, 8405, 9758, 11767, 16810, 23534, 24395, 28577, 48790, 57154, 58835, 117670, 142885, 200039, 285770, 400078, 1000195, 2000390]

約数ペア:

[(1, 2000390), (2, 1000195), (5, 400078), (7, 285770), (10, 200039), (14, 142885), (17, 117670), (34, 58835), (35, 57154), (41, 48790), (70, 28577), (82, 24395), (85, 23534), (119, 16810), (170, 11767), (205, 9758), (238, 8405), (287, 6970), (410, 4879), (574, 3485), (595, 3362), (697, 2870), (1190, 1681), (1394, 1435)]