18972800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{11}}^2$

素因数の和:60

約数の個数: 216

約数和(自身を含む): 59927805

約数和(自身を除く): 40955005

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 64, 70, 77, 80, 88, 98, 100, 110, 112, 121, 128, 140, 154, 160, 175, 176, 196, 200, 220, 224, 242, 245, 275, 280, 308, 320, 350, 352, 385, 392, 400, 440, 448, 484, 490, 539, 550, 560, 605, 616, 640, 700, 704, 770, 784, 800, 847, 880, 896, 968, 980, 1078, 1100, 1120, 1210, 1225, 1232, 1400, 1408, 1540, 1568, 1600, 1694, 1760, 1925, 1936, 1960, 2156, 2200, 2240, 2420, 2450, 2464, 2695, 2800, 3025, 3080, 3136, 3200, 3388, 3520, 3850, 3872, 3920, 4235, 4312, 4400, 4480, 4840, 4900, 4928, 5390, 5600, 5929, 6050, 6160, 6272, 6776, 7040, 7700, 7744, 7840, 8470, 8624, 8800, 9680, 9800, 9856, 10780, 11200, 11858, 12100, 12320, 13475, 13552, 15400, 15488, 15680, 16940, 17248, 17600, 19360, 19600, 21175, 21560, 22400, 23716, 24200, 24640, 26950, 27104, 29645, 30800, 31360, 33880, 34496, 35200, 38720, 39200, 42350, 43120, 47432, 48400, 49280, 53900, 54208, 59290, 61600, 67760, 68992, 77440, 78400, 84700, 86240, 94864, 96800, 107800, 108416, 118580, 123200, 135520, 148225, 156800, 169400, 172480, 189728, 193600, 215600, 237160, 246400, 271040, 296450, 338800, 344960, 379456, 387200, 431200, 474320, 542080, 592900, 677600, 758912, 862400, 948640, 1185800, 1355200, 1724800, 1897280, 2371600, 2710400, 3794560, 4743200, 9486400, 18972800]

約数ペア:

[(1, 18972800), (2, 9486400), (4, 4743200), (5, 3794560), (7, 2710400), (8, 2371600), (10, 1897280), (11, 1724800), (14, 1355200), (16, 1185800), (20, 948640), (22, 862400), (25, 758912), (28, 677600), (32, 592900), (35, 542080), (40, 474320), (44, 431200), (49, 387200), (50, 379456), (55, 344960), (56, 338800), (64, 296450), (70, 271040), (77, 246400), (80, 237160), (88, 215600), (98, 193600), (100, 189728), (110, 172480), (112, 169400), (121, 156800), (128, 148225), (140, 135520), (154, 123200), (160, 118580), (175, 108416), (176, 107800), (196, 96800), (200, 94864), (220, 86240), (224, 84700), (242, 78400), (245, 77440), (275, 68992), (280, 67760), (308, 61600), (320, 59290), (350, 54208), (352, 53900), (385, 49280), (392, 48400), (400, 47432), (440, 43120), (448, 42350), (484, 39200), (490, 38720), (539, 35200), (550, 34496), (560, 33880), (605, 31360), (616, 30800), (640, 29645), (700, 27104), (704, 26950), (770, 24640), (784, 24200), (800, 23716), (847, 22400), (880, 21560), (896, 21175), (968, 19600), (980, 19360), (1078, 17600), (1100, 17248), (1120, 16940), (1210, 15680), (1225, 15488), (1232, 15400), (1400, 13552), (1408, 13475), (1540, 12320), (1568, 12100), (1600, 11858), (1694, 11200), (1760, 10780), (1925, 9856), (1936, 9800), (1960, 9680), (2156, 8800), (2200, 8624), (2240, 8470), (2420, 7840), (2450, 7744), (2464, 7700), (2695, 7040), (2800, 6776), (3025, 6272), (3080, 6160), (3136, 6050), (3200, 5929), (3388, 5600), (3520, 5390), (3850, 4928), (3872, 4900), (3920, 4840), (4235, 4480), (4312, 4400)]