29975000

素因数分解:

$2^3\times 5^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 77338800

約数和(自身を除く): 47363800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 109, 110, 125, 200, 218, 220, 250, 275, 436, 440, 500, 545, 550, 625, 872, 1000, 1090, 1100, 1199, 1250, 1375, 2180, 2200, 2398, 2500, 2725, 2750, 3125, 4360, 4796, 5000, 5450, 5500, 5995, 6250, 6875, 9592, 10900, 11000, 11990, 12500, 13625, 13750, 21800, 23980, 25000, 27250, 27500, 29975, 34375, 47960, 54500, 55000, 59950, 68125, 68750, 109000, 119900, 136250, 137500, 149875, 239800, 272500, 275000, 299750, 340625, 545000, 599500, 681250, 749375, 1199000, 1362500, 1498750, 2725000, 2997500, 3746875, 5995000, 7493750, 14987500, 29975000]

約数ペア:

[(1, 29975000), (2, 14987500), (4, 7493750), (5, 5995000), (8, 3746875), (10, 2997500), (11, 2725000), (20, 1498750), (22, 1362500), (25, 1199000), (40, 749375), (44, 681250), (50, 599500), (55, 545000), (88, 340625), (100, 299750), (109, 275000), (110, 272500), (125, 239800), (200, 149875), (218, 137500), (220, 136250), (250, 119900), (275, 109000), (436, 68750), (440, 68125), (500, 59950), (545, 55000), (550, 54500), (625, 47960), (872, 34375), (1000, 29975), (1090, 27500), (1100, 27250), (1199, 25000), (1250, 23980), (1375, 21800), (2180, 13750), (2200, 13625), (2398, 12500), (2500, 11990), (2725, 11000), (2750, 10900), (3125, 9592), (4360, 6875), (4796, 6250), (5000, 5995), (5450, 5500)]