239939020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5077}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 537455520

約数和(自身を除く): 297516500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 5077, 9452, 10154, 11815, 20308, 23630, 25385, 47260, 50770, 86309, 101540, 172618, 345236, 431545, 705703, 863090, 1411406, 1726180, 2822812, 3528515, 7057030, 11996951, 14114060, 23993902, 47987804, 59984755, 119969510, 239939020]

約数ペア:

[(1, 239939020), (2, 119969510), (4, 59984755), (5, 47987804), (10, 23993902), (17, 14114060), (20, 11996951), (34, 7057030), (68, 3528515), (85, 2822812), (139, 1726180), (170, 1411406), (278, 863090), (340, 705703), (556, 431545), (695, 345236), (1390, 172618), (2363, 101540), (2780, 86309), (4726, 50770), (5077, 47260), (9452, 25385), (10154, 23630), (11815, 20308)]