139580000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 120

約数和(自身を含む): 392836752

約数和(自身を除く): 253256752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 997, 1000, 1120, 1250, 1400, 1750, 1994, 2000, 2500, 2800, 3500, 3988, 4000, 4375, 4985, 5000, 5600, 6979, 7000, 7976, 8750, 9970, 10000, 13958, 14000, 15952, 17500, 19940, 20000, 24925, 27916, 28000, 31904, 34895, 35000, 39880, 49850, 55832, 69790, 70000, 79760, 99700, 111664, 124625, 139580, 140000, 159520, 174475, 199400, 223328, 249250, 279160, 348950, 398800, 498500, 558320, 623125, 697900, 797600, 872375, 997000, 1116640, 1246250, 1395800, 1744750, 1994000, 2492500, 2791600, 3489500, 3988000, 4361875, 4985000, 5583200, 6979000, 8723750, 9970000, 13958000, 17447500, 19940000, 27916000, 34895000, 69790000, 139580000]

約数ペア:

[(1, 139580000), (2, 69790000), (4, 34895000), (5, 27916000), (7, 19940000), (8, 17447500), (10, 13958000), (14, 9970000), (16, 8723750), (20, 6979000), (25, 5583200), (28, 4985000), (32, 4361875), (35, 3988000), (40, 3489500), (50, 2791600), (56, 2492500), (70, 1994000), (80, 1744750), (100, 1395800), (112, 1246250), (125, 1116640), (140, 997000), (160, 872375), (175, 797600), (200, 697900), (224, 623125), (250, 558320), (280, 498500), (350, 398800), (400, 348950), (500, 279160), (560, 249250), (625, 223328), (700, 199400), (800, 174475), (875, 159520), (997, 140000), (1000, 139580), (1120, 124625), (1250, 111664), (1400, 99700), (1750, 79760), (1994, 70000), (2000, 69790), (2500, 55832), (2800, 49850), (3500, 39880), (3988, 35000), (4000, 34895), (4375, 31904), (4985, 28000), (5000, 27916), (5600, 24925), (6979, 20000), (7000, 19940), (7976, 17500), (8750, 15952), (9970, 14000), (10000, 13958)]