119900000

素因数分解:

$2^5\times 5^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 324822960

約数和(自身を除く): 204922960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 109, 110, 125, 160, 176, 200, 218, 220, 250, 275, 352, 400, 436, 440, 500, 545, 550, 625, 800, 872, 880, 1000, 1090, 1100, 1199, 1250, 1375, 1744, 1760, 2000, 2180, 2200, 2398, 2500, 2725, 2750, 3125, 3488, 4000, 4360, 4400, 4796, 5000, 5450, 5500, 5995, 6250, 6875, 8720, 8800, 9592, 10000, 10900, 11000, 11990, 12500, 13625, 13750, 17440, 19184, 20000, 21800, 22000, 23980, 25000, 27250, 27500, 29975, 34375, 38368, 43600, 44000, 47960, 50000, 54500, 55000, 59950, 68125, 68750, 87200, 95920, 100000, 109000, 110000, 119900, 136250, 137500, 149875, 191840, 218000, 220000, 239800, 272500, 275000, 299750, 340625, 436000, 479600, 545000, 550000, 599500, 681250, 749375, 959200, 1090000, 1100000, 1199000, 1362500, 1498750, 2180000, 2398000, 2725000, 2997500, 3746875, 4796000, 5450000, 5995000, 7493750, 10900000, 11990000, 14987500, 23980000, 29975000, 59950000, 119900000]

約数ペア:

[(1, 119900000), (2, 59950000), (4, 29975000), (5, 23980000), (8, 14987500), (10, 11990000), (11, 10900000), (16, 7493750), (20, 5995000), (22, 5450000), (25, 4796000), (32, 3746875), (40, 2997500), (44, 2725000), (50, 2398000), (55, 2180000), (80, 1498750), (88, 1362500), (100, 1199000), (109, 1100000), (110, 1090000), (125, 959200), (160, 749375), (176, 681250), (200, 599500), (218, 550000), (220, 545000), (250, 479600), (275, 436000), (352, 340625), (400, 299750), (436, 275000), (440, 272500), (500, 239800), (545, 220000), (550, 218000), (625, 191840), (800, 149875), (872, 137500), (880, 136250), (1000, 119900), (1090, 110000), (1100, 109000), (1199, 100000), (1250, 95920), (1375, 87200), (1744, 68750), (1760, 68125), (2000, 59950), (2180, 55000), (2200, 54500), (2398, 50000), (2500, 47960), (2725, 44000), (2750, 43600), (3125, 38368), (3488, 34375), (4000, 29975), (4360, 27500), (4400, 27250), (4796, 25000), (5000, 23980), (5450, 22000), (5500, 21800), (5995, 20000), (6250, 19184), (6875, 17440), (8720, 13750), (8800, 13625), (9592, 12500), (10000, 11990), (10900, 11000)]