19714800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2347}}^1$

素因数の和:2375

約数の個数: 120

約数和(自身を含む): 72205696

約数和(自身を除く): 52490896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2347, 2800, 4200, 4694, 7041, 8400, 9388, 11735, 14082, 16429, 18776, 23470, 28164, 32858, 35205, 37552, 46940, 49287, 56328, 58675, 65716, 70410, 82145, 93880, 98574, 112656, 117350, 131432, 140820, 164290, 176025, 187760, 197148, 234700, 246435, 262864, 281640, 328580, 352050, 394296, 410725, 469400, 492870, 563280, 657160, 704100, 788592, 821450, 938800, 985740, 1232175, 1314320, 1408200, 1642900, 1971480, 2464350, 2816400, 3285800, 3942960, 4928700, 6571600, 9857400, 19714800]

約数ペア:

[(1, 19714800), (2, 9857400), (3, 6571600), (4, 4928700), (5, 3942960), (6, 3285800), (7, 2816400), (8, 2464350), (10, 1971480), (12, 1642900), (14, 1408200), (15, 1314320), (16, 1232175), (20, 985740), (21, 938800), (24, 821450), (25, 788592), (28, 704100), (30, 657160), (35, 563280), (40, 492870), (42, 469400), (48, 410725), (50, 394296), (56, 352050), (60, 328580), (70, 281640), (75, 262864), (80, 246435), (84, 234700), (100, 197148), (105, 187760), (112, 176025), (120, 164290), (140, 140820), (150, 131432), (168, 117350), (175, 112656), (200, 98574), (210, 93880), (240, 82145), (280, 70410), (300, 65716), (336, 58675), (350, 56328), (400, 49287), (420, 46940), (525, 37552), (560, 35205), (600, 32858), (700, 28164), (840, 23470), (1050, 18776), (1200, 16429), (1400, 14082), (1680, 11735), (2100, 9388), (2347, 8400), (2800, 7041), (4200, 4694)]