28536900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 95993856

約数和(自身を除く): 67456956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 107, 127, 140, 150, 175, 210, 214, 254, 300, 321, 350, 381, 420, 428, 508, 525, 535, 635, 642, 700, 749, 762, 889, 1050, 1070, 1270, 1284, 1498, 1524, 1605, 1778, 1905, 2100, 2140, 2247, 2540, 2667, 2675, 2996, 3175, 3210, 3556, 3745, 3810, 4445, 4494, 5334, 5350, 6350, 6420, 7490, 7620, 8025, 8890, 8988, 9525, 10668, 10700, 11235, 12700, 13335, 13589, 14980, 16050, 17780, 18725, 19050, 22225, 22470, 26670, 27178, 32100, 37450, 38100, 40767, 44450, 44940, 53340, 54356, 56175, 66675, 67945, 74900, 81534, 88900, 95123, 112350, 133350, 135890, 163068, 190246, 203835, 224700, 266700, 271780, 285369, 339725, 380492, 407670, 475615, 570738, 679450, 815340, 951230, 1019175, 1141476, 1358900, 1426845, 1902460, 2038350, 2378075, 2853690, 4076700, 4756150, 5707380, 7134225, 9512300, 14268450, 28536900]

約数ペア:

[(1, 28536900), (2, 14268450), (3, 9512300), (4, 7134225), (5, 5707380), (6, 4756150), (7, 4076700), (10, 2853690), (12, 2378075), (14, 2038350), (15, 1902460), (20, 1426845), (21, 1358900), (25, 1141476), (28, 1019175), (30, 951230), (35, 815340), (42, 679450), (50, 570738), (60, 475615), (70, 407670), (75, 380492), (84, 339725), (100, 285369), (105, 271780), (107, 266700), (127, 224700), (140, 203835), (150, 190246), (175, 163068), (210, 135890), (214, 133350), (254, 112350), (300, 95123), (321, 88900), (350, 81534), (381, 74900), (420, 67945), (428, 66675), (508, 56175), (525, 54356), (535, 53340), (635, 44940), (642, 44450), (700, 40767), (749, 38100), (762, 37450), (889, 32100), (1050, 27178), (1070, 26670), (1270, 22470), (1284, 22225), (1498, 19050), (1524, 18725), (1605, 17780), (1778, 16050), (1905, 14980), (2100, 13589), (2140, 13335), (2247, 12700), (2540, 11235), (2667, 10700), (2675, 10668), (2996, 9525), (3175, 8988), (3210, 8890), (3556, 8025), (3745, 7620), (3810, 7490), (4445, 6420), (4494, 6350), (5334, 5350)]