288857000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 743558400

約数和(自身を除く): 454701400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 125, 152, 184, 190, 200, 230, 250, 380, 437, 460, 475, 500, 575, 661, 760, 874, 920, 950, 1000, 1150, 1322, 1748, 1900, 2185, 2300, 2375, 2644, 2875, 3305, 3496, 3800, 4370, 4600, 4750, 5288, 5750, 6610, 8740, 9500, 10925, 11500, 12559, 13220, 15203, 16525, 17480, 19000, 21850, 23000, 25118, 26440, 30406, 33050, 43700, 50236, 54625, 60812, 62795, 66100, 76015, 82625, 87400, 100472, 109250, 121624, 125590, 132200, 152030, 165250, 218500, 251180, 288857, 304060, 313975, 330500, 380075, 437000, 502360, 577714, 608120, 627950, 661000, 760150, 1155428, 1255900, 1444285, 1520300, 1569875, 1900375, 2310856, 2511800, 2888570, 3040600, 3139750, 3800750, 5777140, 6279500, 7221425, 7601500, 11554280, 12559000, 14442850, 15203000, 28885700, 36107125, 57771400, 72214250, 144428500, 288857000]

約数ペア:

[(1, 288857000), (2, 144428500), (4, 72214250), (5, 57771400), (8, 36107125), (10, 28885700), (19, 15203000), (20, 14442850), (23, 12559000), (25, 11554280), (38, 7601500), (40, 7221425), (46, 6279500), (50, 5777140), (76, 3800750), (92, 3139750), (95, 3040600), (100, 2888570), (115, 2511800), (125, 2310856), (152, 1900375), (184, 1569875), (190, 1520300), (200, 1444285), (230, 1255900), (250, 1155428), (380, 760150), (437, 661000), (460, 627950), (475, 608120), (500, 577714), (575, 502360), (661, 437000), (760, 380075), (874, 330500), (920, 313975), (950, 304060), (1000, 288857), (1150, 251180), (1322, 218500), (1748, 165250), (1900, 152030), (2185, 132200), (2300, 125590), (2375, 121624), (2644, 109250), (2875, 100472), (3305, 87400), (3496, 82625), (3800, 76015), (4370, 66100), (4600, 62795), (4750, 60812), (5288, 54625), (5750, 50236), (6610, 43700), (8740, 33050), (9500, 30406), (10925, 26440), (11500, 25118), (12559, 23000), (13220, 21850), (15203, 19000), (16525, 17480)]