223328000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 144

約数和(自身を含む): 636452544

約数和(自身を除く): 413124544

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, 997, 1000, 1120, 1280, 1400, 1600, 1750, 1792, 1994, 2000, 2240, 2800, 3200, 3500, 3988, 4000, 4480, 4985, 5600, 6400, 6979, 7000, 7976, 8000, 8960, 9970, 11200, 13958, 14000, 15952, 16000, 19940, 22400, 24925, 27916, 28000, 31904, 32000, 34895, 39880, 44800, 49850, 55832, 56000, 63808, 69790, 79760, 99700, 111664, 112000, 124625, 127616, 139580, 159520, 174475, 199400, 223328, 224000, 249250, 255232, 279160, 319040, 348950, 398800, 446656, 498500, 558320, 638080, 697900, 797600, 872375, 893312, 997000, 1116640, 1276160, 1395800, 1595200, 1744750, 1786624, 1994000, 2233280, 2791600, 3190400, 3489500, 3988000, 4466560, 5583200, 6380800, 6979000, 7976000, 8933120, 11166400, 13958000, 15952000, 22332800, 27916000, 31904000, 44665600, 55832000, 111664000, 223328000]

約数ペア:

[(1, 223328000), (2, 111664000), (4, 55832000), (5, 44665600), (7, 31904000), (8, 27916000), (10, 22332800), (14, 15952000), (16, 13958000), (20, 11166400), (25, 8933120), (28, 7976000), (32, 6979000), (35, 6380800), (40, 5583200), (50, 4466560), (56, 3988000), (64, 3489500), (70, 3190400), (80, 2791600), (100, 2233280), (112, 1994000), (125, 1786624), (128, 1744750), (140, 1595200), (160, 1395800), (175, 1276160), (200, 1116640), (224, 997000), (250, 893312), (256, 872375), (280, 797600), (320, 697900), (350, 638080), (400, 558320), (448, 498500), (500, 446656), (560, 398800), (640, 348950), (700, 319040), (800, 279160), (875, 255232), (896, 249250), (997, 224000), (1000, 223328), (1120, 199400), (1280, 174475), (1400, 159520), (1600, 139580), (1750, 127616), (1792, 124625), (1994, 112000), (2000, 111664), (2240, 99700), (2800, 79760), (3200, 69790), (3500, 63808), (3988, 56000), (4000, 55832), (4480, 49850), (4985, 44800), (5600, 39880), (6400, 34895), (6979, 32000), (7000, 31904), (7976, 28000), (8000, 27916), (8960, 24925), (9970, 22400), (11200, 19940), (13958, 16000), (14000, 15952)]