51205000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 240

約数和(自身を含む): 160261200

約数和(自身を除く): 109056200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 40, 44, 49, 50, 55, 56, 70, 76, 77, 88, 95, 98, 100, 110, 125, 133, 140, 152, 154, 175, 190, 196, 200, 209, 220, 245, 250, 266, 275, 280, 308, 350, 380, 385, 392, 418, 440, 475, 490, 500, 532, 539, 550, 616, 625, 665, 700, 760, 770, 836, 875, 931, 950, 980, 1000, 1045, 1064, 1078, 1100, 1225, 1250, 1330, 1375, 1400, 1463, 1540, 1672, 1750, 1862, 1900, 1925, 1960, 2090, 2156, 2200, 2375, 2450, 2500, 2660, 2695, 2750, 2926, 3080, 3325, 3500, 3724, 3800, 3850, 4180, 4312, 4375, 4655, 4750, 4900, 5000, 5225, 5320, 5390, 5500, 5852, 6125, 6650, 6875, 7000, 7315, 7448, 7700, 8360, 8750, 9310, 9500, 9625, 9800, 10241, 10450, 10780, 11000, 11704, 11875, 12250, 13300, 13475, 13750, 14630, 15400, 16625, 17500, 18620, 19000, 19250, 20482, 20900, 21560, 23275, 23750, 24500, 26125, 26600, 26950, 27500, 29260, 30625, 33250, 35000, 36575, 37240, 38500, 40964, 41800, 46550, 47500, 48125, 49000, 51205, 52250, 53900, 55000, 58520, 61250, 66500, 67375, 73150, 77000, 81928, 83125, 93100, 95000, 96250, 102410, 104500, 107800, 116375, 122500, 130625, 133000, 134750, 146300, 166250, 182875, 186200, 192500, 204820, 209000, 232750, 245000, 256025, 261250, 269500, 292600, 332500, 336875, 365750, 385000, 409640, 465500, 512050, 522500, 539000, 581875, 665000, 673750, 731500, 914375, 931000, 1024100, 1045000, 1163750, 1280125, 1347500, 1463000, 1828750, 2048200, 2327500, 2560250, 2695000, 3657500, 4655000, 5120500, 6400625, 7315000, 10241000, 12801250, 25602500, 51205000]

約数ペア:

[(1, 51205000), (2, 25602500), (4, 12801250), (5, 10241000), (7, 7315000), (8, 6400625), (10, 5120500), (11, 4655000), (14, 3657500), (19, 2695000), (20, 2560250), (22, 2327500), (25, 2048200), (28, 1828750), (35, 1463000), (38, 1347500), (40, 1280125), (44, 1163750), (49, 1045000), (50, 1024100), (55, 931000), (56, 914375), (70, 731500), (76, 673750), (77, 665000), (88, 581875), (95, 539000), (98, 522500), (100, 512050), (110, 465500), (125, 409640), (133, 385000), (140, 365750), (152, 336875), (154, 332500), (175, 292600), (190, 269500), (196, 261250), (200, 256025), (209, 245000), (220, 232750), (245, 209000), (250, 204820), (266, 192500), (275, 186200), (280, 182875), (308, 166250), (350, 146300), (380, 134750), (385, 133000), (392, 130625), (418, 122500), (440, 116375), (475, 107800), (490, 104500), (500, 102410), (532, 96250), (539, 95000), (550, 93100), (616, 83125), (625, 81928), (665, 77000), (700, 73150), (760, 67375), (770, 66500), (836, 61250), (875, 58520), (931, 55000), (950, 53900), (980, 52250), (1000, 51205), (1045, 49000), (1064, 48125), (1078, 47500), (1100, 46550), (1225, 41800), (1250, 40964), (1330, 38500), (1375, 37240), (1400, 36575), (1463, 35000), (1540, 33250), (1672, 30625), (1750, 29260), (1862, 27500), (1900, 26950), (1925, 26600), (1960, 26125), (2090, 24500), (2156, 23750), (2200, 23275), (2375, 21560), (2450, 20900), (2500, 20482), (2660, 19250), (2695, 19000), (2750, 18620), (2926, 17500), (3080, 16625), (3325, 15400), (3500, 14630), (3724, 13750), (3800, 13475), (3850, 13300), (4180, 12250), (4312, 11875), (4375, 11704), (4655, 11000), (4750, 10780), (4900, 10450), (5000, 10241), (5225, 9800), (5320, 9625), (5390, 9500), (5500, 9310), (5852, 8750), (6125, 8360), (6650, 7700), (6875, 7448), (7000, 7315)]