1785334480

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1\times {\mathrm{1039}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 4252584960

約数和(自身を除く): 2467250480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 457, 470, 752, 914, 940, 1039, 1828, 1880, 2078, 2285, 3656, 3760, 4156, 4570, 5195, 7312, 8312, 9140, 10390, 16624, 18280, 20780, 21479, 36560, 41560, 42958, 48833, 83120, 85916, 97666, 107395, 171832, 195332, 214790, 244165, 343664, 390664, 429580, 474823, 488330, 781328, 859160, 949646, 976660, 1718320, 1899292, 1953320, 2374115, 3798584, 3906640, 4748230, 7597168, 9496460, 18992920, 22316681, 37985840, 44633362, 89266724, 111583405, 178533448, 223166810, 357066896, 446333620, 892667240, 1785334480]

約数ペア:

[(1, 1785334480), (2, 892667240), (4, 446333620), (5, 357066896), (8, 223166810), (10, 178533448), (16, 111583405), (20, 89266724), (40, 44633362), (47, 37985840), (80, 22316681), (94, 18992920), (188, 9496460), (235, 7597168), (376, 4748230), (457, 3906640), (470, 3798584), (752, 2374115), (914, 1953320), (940, 1899292), (1039, 1718320), (1828, 976660), (1880, 949646), (2078, 859160), (2285, 781328), (3656, 488330), (3760, 474823), (4156, 429580), (4570, 390664), (5195, 343664), (7312, 244165), (8312, 214790), (9140, 195332), (10390, 171832), (16624, 107395), (18280, 97666), (20780, 85916), (21479, 83120), (36560, 48833), (41560, 42958)]