49970000

素因数分解:

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

素因数の和:310

約数の個数: 100

約数和(自身を含む): 127834080

約数和(自身を除く): 77864080

約数列:

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

約数ペア:

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