51816800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 152490240

約数和(自身を除く): 100673440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 200, 224, 266, 280, 304, 350, 380, 400, 475, 487, 532, 560, 608, 665, 700, 760, 800, 950, 974, 1064, 1120, 1330, 1400, 1520, 1900, 1948, 2128, 2435, 2660, 2800, 3040, 3325, 3409, 3800, 3896, 4256, 4870, 5320, 5600, 6650, 6818, 7600, 7792, 9253, 9740, 10640, 12175, 13300, 13636, 15200, 15584, 17045, 18506, 19480, 21280, 24350, 26600, 27272, 34090, 37012, 38960, 46265, 48700, 53200, 54544, 64771, 68180, 74024, 77920, 85225, 92530, 97400, 106400, 109088, 129542, 136360, 148048, 170450, 185060, 194800, 231325, 259084, 272720, 296096, 323855, 340900, 370120, 389600, 462650, 518168, 545440, 647710, 681800, 740240, 925300, 1036336, 1295420, 1363600, 1480480, 1619275, 1850600, 2072672, 2590840, 2727200, 3238550, 3701200, 5181680, 6477100, 7402400, 10363360, 12954200, 25908400, 51816800]

約数ペア:

[(1, 51816800), (2, 25908400), (4, 12954200), (5, 10363360), (7, 7402400), (8, 6477100), (10, 5181680), (14, 3701200), (16, 3238550), (19, 2727200), (20, 2590840), (25, 2072672), (28, 1850600), (32, 1619275), (35, 1480480), (38, 1363600), (40, 1295420), (50, 1036336), (56, 925300), (70, 740240), (76, 681800), (80, 647710), (95, 545440), (100, 518168), (112, 462650), (133, 389600), (140, 370120), (152, 340900), (160, 323855), (175, 296096), (190, 272720), (200, 259084), (224, 231325), (266, 194800), (280, 185060), (304, 170450), (350, 148048), (380, 136360), (400, 129542), (475, 109088), (487, 106400), (532, 97400), (560, 92530), (608, 85225), (665, 77920), (700, 74024), (760, 68180), (800, 64771), (950, 54544), (974, 53200), (1064, 48700), (1120, 46265), (1330, 38960), (1400, 37012), (1520, 34090), (1900, 27272), (1948, 26600), (2128, 24350), (2435, 21280), (2660, 19480), (2800, 18506), (3040, 17045), (3325, 15584), (3409, 15200), (3800, 13636), (3896, 13300), (4256, 12175), (4870, 10640), (5320, 9740), (5600, 9253), (6650, 7792), (6818, 7600)]