447328000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 144

約数和(自身を含む): 1274180544

約数和(自身を除く): 826852544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 560, 640, 700, 800, 875, 896, 1000, 1120, 1280, 1400, 1600, 1750, 1792, 1997, 2000, 2240, 2800, 3200, 3500, 3994, 4000, 4480, 5600, 6400, 7000, 7988, 8000, 8960, 9985, 11200, 13979, 14000, 15976, 16000, 19970, 22400, 27958, 28000, 31952, 32000, 39940, 44800, 49925, 55916, 56000, 63904, 69895, 79880, 99850, 111832, 112000, 127808, 139790, 159760, 199700, 223664, 224000, 249625, 255616, 279580, 319520, 349475, 399400, 447328, 499250, 511232, 559160, 639040, 698950, 798800, 894656, 998500, 1118320, 1278080, 1397900, 1597600, 1747375, 1789312, 1997000, 2236640, 2556160, 2795800, 3195200, 3494750, 3578624, 3994000, 4473280, 5591600, 6390400, 6989500, 7988000, 8946560, 11183200, 12780800, 13979000, 15976000, 17893120, 22366400, 27958000, 31952000, 44732800, 55916000, 63904000, 89465600, 111832000, 223664000, 447328000]

約数ペア:

[(1, 447328000), (2, 223664000), (4, 111832000), (5, 89465600), (7, 63904000), (8, 55916000), (10, 44732800), (14, 31952000), (16, 27958000), (20, 22366400), (25, 17893120), (28, 15976000), (32, 13979000), (35, 12780800), (40, 11183200), (50, 8946560), (56, 7988000), (64, 6989500), (70, 6390400), (80, 5591600), (100, 4473280), (112, 3994000), (125, 3578624), (128, 3494750), (140, 3195200), (160, 2795800), (175, 2556160), (200, 2236640), (224, 1997000), (250, 1789312), (256, 1747375), (280, 1597600), (320, 1397900), (350, 1278080), (400, 1118320), (448, 998500), (500, 894656), (560, 798800), (640, 698950), (700, 639040), (800, 559160), (875, 511232), (896, 499250), (1000, 447328), (1120, 399400), (1280, 349475), (1400, 319520), (1600, 279580), (1750, 255616), (1792, 249625), (1997, 224000), (2000, 223664), (2240, 199700), (2800, 159760), (3200, 139790), (3500, 127808), (3994, 112000), (4000, 111832), (4480, 99850), (5600, 79880), (6400, 69895), (7000, 63904), (7988, 56000), (8000, 55916), (8960, 49925), (9985, 44800), (11200, 39940), (13979, 32000), (14000, 31952), (15976, 28000), (16000, 27958), (19970, 22400)]