99940000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 120

約数和(自身を含む): 259791840

約数和(自身を除く): 159851840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 263, 304, 380, 400, 475, 500, 526, 608, 625, 760, 800, 950, 1000, 1052, 1250, 1315, 1520, 1900, 2000, 2104, 2375, 2500, 2630, 3040, 3800, 4000, 4208, 4750, 4997, 5000, 5260, 6575, 7600, 8416, 9500, 9994, 10000, 10520, 11875, 13150, 15200, 19000, 19988, 20000, 21040, 23750, 24985, 26300, 32875, 38000, 39976, 42080, 47500, 49970, 52600, 65750, 76000, 79952, 95000, 99940, 105200, 124925, 131500, 159904, 164375, 190000, 199880, 210400, 249850, 263000, 328750, 380000, 399760, 499700, 526000, 624625, 657500, 799520, 999400, 1052000, 1249250, 1315000, 1998800, 2498500, 2630000, 3123125, 3997600, 4997000, 5260000, 6246250, 9994000, 12492500, 19988000, 24985000, 49970000, 99940000]

約数ペア:

[(1, 99940000), (2, 49970000), (4, 24985000), (5, 19988000), (8, 12492500), (10, 9994000), (16, 6246250), (19, 5260000), (20, 4997000), (25, 3997600), (32, 3123125), (38, 2630000), (40, 2498500), (50, 1998800), (76, 1315000), (80, 1249250), (95, 1052000), (100, 999400), (125, 799520), (152, 657500), (160, 624625), (190, 526000), (200, 499700), (250, 399760), (263, 380000), (304, 328750), (380, 263000), (400, 249850), (475, 210400), (500, 199880), (526, 190000), (608, 164375), (625, 159904), (760, 131500), (800, 124925), (950, 105200), (1000, 99940), (1052, 95000), (1250, 79952), (1315, 76000), (1520, 65750), (1900, 52600), (2000, 49970), (2104, 47500), (2375, 42080), (2500, 39976), (2630, 38000), (3040, 32875), (3800, 26300), (4000, 24985), (4208, 23750), (4750, 21040), (4997, 20000), (5000, 19988), (5260, 19000), (6575, 15200), (7600, 13150), (8416, 11875), (9500, 10520), (9994, 10000)]