201813500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 531410880

約数和(自身を除く): 329597380

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, 529, 545, 575, 644, 700, 763, 805, 875, 1058, 1090, 1150, 1526, 1610, 1750, 2116, 2180, 2300, 2507, 2645, 2725, 2875, 3052, 3220, 3500, 3703, 3815, 4025, 5014, 5290, 5450, 5750, 7406, 7630, 8050, 10028, 10580, 10900, 11500, 12535, 13225, 13625, 14812, 15260, 16100, 17549, 18515, 19075, 20125, 25070, 26450, 27250, 35098, 37030, 38150, 40250, 50140, 52900, 54500, 57661, 62675, 66125, 70196, 74060, 76300, 80500, 87745, 92575, 95375, 115322, 125350, 132250, 175490, 185150, 190750, 230644, 250700, 264500, 288305, 313375, 350980, 370300, 381500, 403627, 438725, 462875, 576610, 626750, 807254, 877450, 925750, 1153220, 1253500, 1441525, 1614508, 1754900, 1851500, 2018135, 2193625, 2883050, 4036270, 4387250, 5766100, 7207625, 8072540, 8774500, 10090675, 14415250, 20181350, 28830500, 40362700, 50453375, 100906750, 201813500]

約数ペア:

[(1, 201813500), (2, 100906750), (4, 50453375), (5, 40362700), (7, 28830500), (10, 20181350), (14, 14415250), (20, 10090675), (23, 8774500), (25, 8072540), (28, 7207625), (35, 5766100), (46, 4387250), (50, 4036270), (70, 2883050), (92, 2193625), (100, 2018135), (109, 1851500), (115, 1754900), (125, 1614508), (140, 1441525), (161, 1253500), (175, 1153220), (218, 925750), (230, 877450), (250, 807254), (322, 626750), (350, 576610), (436, 462875), (460, 438725), (500, 403627), (529, 381500), (545, 370300), (575, 350980), (644, 313375), (700, 288305), (763, 264500), (805, 250700), (875, 230644), (1058, 190750), (1090, 185150), (1150, 175490), (1526, 132250), (1610, 125350), (1750, 115322), (2116, 95375), (2180, 92575), (2300, 87745), (2507, 80500), (2645, 76300), (2725, 74060), (2875, 70196), (3052, 66125), (3220, 62675), (3500, 57661), (3703, 54500), (3815, 52900), (4025, 50140), (5014, 40250), (5290, 38150), (5450, 37030), (5750, 35098), (7406, 27250), (7630, 26450), (8050, 25070), (10028, 20125), (10580, 19075), (10900, 18515), (11500, 17549), (12535, 16100), (13225, 15260), (13625, 14812)]