81500500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 196035840

約数和(自身を除く): 114535340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 125, 190, 230, 250, 373, 380, 437, 460, 475, 500, 575, 746, 874, 950, 1150, 1492, 1748, 1865, 1900, 2185, 2300, 2375, 2875, 3730, 4370, 4750, 5750, 7087, 7460, 8579, 8740, 9325, 9500, 10925, 11500, 14174, 17158, 18650, 21850, 28348, 34316, 35435, 37300, 42895, 43700, 46625, 54625, 70870, 85790, 93250, 109250, 141740, 163001, 171580, 177175, 186500, 214475, 218500, 326002, 354350, 428950, 652004, 708700, 815005, 857900, 885875, 1072375, 1630010, 1771750, 2144750, 3260020, 3543500, 4075025, 4289500, 8150050, 16300100, 20375125, 40750250, 81500500]

約数ペア:

[(1, 81500500), (2, 40750250), (4, 20375125), (5, 16300100), (10, 8150050), (19, 4289500), (20, 4075025), (23, 3543500), (25, 3260020), (38, 2144750), (46, 1771750), (50, 1630010), (76, 1072375), (92, 885875), (95, 857900), (100, 815005), (115, 708700), (125, 652004), (190, 428950), (230, 354350), (250, 326002), (373, 218500), (380, 214475), (437, 186500), (460, 177175), (475, 171580), (500, 163001), (575, 141740), (746, 109250), (874, 93250), (950, 85790), (1150, 70870), (1492, 54625), (1748, 46625), (1865, 43700), (1900, 42895), (2185, 37300), (2300, 35435), (2375, 34316), (2875, 28348), (3730, 21850), (4370, 18650), (4750, 17158), (5750, 14174), (7087, 11500), (7460, 10925), (8579, 9500), (8740, 9325)]