263906000

素因数分解:

$2^4\times 5^3\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1189

約数の個数: 80

約数和(自身を含む): 643768320

約数和(自身を除く): 379862320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 127, 200, 250, 254, 400, 500, 508, 635, 1000, 1016, 1039, 1270, 2000, 2032, 2078, 2540, 3175, 4156, 5080, 5195, 6350, 8312, 10160, 10390, 12700, 15875, 16624, 20780, 25400, 25975, 31750, 41560, 50800, 51950, 63500, 83120, 103900, 127000, 129875, 131953, 207800, 254000, 259750, 263906, 415600, 519500, 527812, 659765, 1039000, 1055624, 1319530, 2078000, 2111248, 2639060, 3298825, 5278120, 6597650, 10556240, 13195300, 16494125, 26390600, 32988250, 52781200, 65976500, 131953000, 263906000]

約数ペア:

[(1, 263906000), (2, 131953000), (4, 65976500), (5, 52781200), (8, 32988250), (10, 26390600), (16, 16494125), (20, 13195300), (25, 10556240), (40, 6597650), (50, 5278120), (80, 3298825), (100, 2639060), (125, 2111248), (127, 2078000), (200, 1319530), (250, 1055624), (254, 1039000), (400, 659765), (500, 527812), (508, 519500), (635, 415600), (1000, 263906), (1016, 259750), (1039, 254000), (1270, 207800), (2000, 131953), (2032, 129875), (2078, 127000), (2540, 103900), (3175, 83120), (4156, 63500), (5080, 51950), (5195, 50800), (6350, 41560), (8312, 31750), (10160, 25975), (10390, 25400), (12700, 20780), (15875, 16624)]