219362500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 577463040

約数和(自身を除く): 358100540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 109, 115, 125, 140, 161, 175, 218, 230, 250, 322, 350, 436, 460, 500, 545, 575, 625, 644, 700, 763, 805, 875, 1090, 1150, 1250, 1526, 1610, 1750, 2180, 2300, 2500, 2507, 2725, 2875, 3052, 3125, 3220, 3500, 3815, 4025, 4375, 5014, 5450, 5750, 6250, 7630, 8050, 8750, 10028, 10900, 11500, 12500, 12535, 13625, 14375, 15260, 16100, 17500, 17549, 19075, 20125, 21875, 25070, 27250, 28750, 35098, 38150, 40250, 43750, 50140, 54500, 57500, 62675, 68125, 70196, 71875, 76300, 80500, 87500, 87745, 95375, 100625, 125350, 136250, 143750, 175490, 190750, 201250, 250700, 272500, 287500, 313375, 340625, 350980, 381500, 402500, 438725, 476875, 503125, 626750, 681250, 877450, 953750, 1006250, 1253500, 1362500, 1566875, 1754900, 1907500, 2012500, 2193625, 2384375, 3133750, 4387250, 4768750, 6267500, 7834375, 8774500, 9537500, 10968125, 15668750, 21936250, 31337500, 43872500, 54840625, 109681250, 219362500]

約数ペア:

[(1, 219362500), (2, 109681250), (4, 54840625), (5, 43872500), (7, 31337500), (10, 21936250), (14, 15668750), (20, 10968125), (23, 9537500), (25, 8774500), (28, 7834375), (35, 6267500), (46, 4768750), (50, 4387250), (70, 3133750), (92, 2384375), (100, 2193625), (109, 2012500), (115, 1907500), (125, 1754900), (140, 1566875), (161, 1362500), (175, 1253500), (218, 1006250), (230, 953750), (250, 877450), (322, 681250), (350, 626750), (436, 503125), (460, 476875), (500, 438725), (545, 402500), (575, 381500), (625, 350980), (644, 340625), (700, 313375), (763, 287500), (805, 272500), (875, 250700), (1090, 201250), (1150, 190750), (1250, 175490), (1526, 143750), (1610, 136250), (1750, 125350), (2180, 100625), (2300, 95375), (2500, 87745), (2507, 87500), (2725, 80500), (2875, 76300), (3052, 71875), (3125, 70196), (3220, 68125), (3500, 62675), (3815, 57500), (4025, 54500), (4375, 50140), (5014, 43750), (5450, 40250), (5750, 38150), (6250, 35098), (7630, 28750), (8050, 27250), (8750, 25070), (10028, 21875), (10900, 20125), (11500, 19075), (12500, 17549), (12535, 17500), (13625, 16100), (14375, 15260)]