28110500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 42651100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 190, 209, 220, 250, 269, 275, 380, 418, 475, 500, 538, 550, 836, 950, 1045, 1076, 1100, 1345, 1375, 1900, 2090, 2375, 2690, 2750, 2959, 4180, 4750, 5111, 5225, 5380, 5500, 5918, 6725, 9500, 10222, 10450, 11836, 13450, 14795, 20444, 20900, 25555, 26125, 26900, 29590, 33625, 51110, 52250, 56221, 59180, 67250, 73975, 102220, 104500, 112442, 127775, 134500, 147950, 224884, 255550, 281105, 295900, 369875, 511100, 562210, 638875, 739750, 1124420, 1277750, 1405525, 1479500, 2555500, 2811050, 5622100, 7027625, 14055250, 28110500]

約数ペア:

[(1, 28110500), (2, 14055250), (4, 7027625), (5, 5622100), (10, 2811050), (11, 2555500), (19, 1479500), (20, 1405525), (22, 1277750), (25, 1124420), (38, 739750), (44, 638875), (50, 562210), (55, 511100), (76, 369875), (95, 295900), (100, 281105), (110, 255550), (125, 224884), (190, 147950), (209, 134500), (220, 127775), (250, 112442), (269, 104500), (275, 102220), (380, 73975), (418, 67250), (475, 59180), (500, 56221), (538, 52250), (550, 51110), (836, 33625), (950, 29590), (1045, 26900), (1076, 26125), (1100, 25555), (1345, 20900), (1375, 20444), (1900, 14795), (2090, 13450), (2375, 11836), (2690, 10450), (2750, 10222), (2959, 9500), (4180, 6725), (4750, 5918), (5111, 5500), (5225, 5380)]