19571200

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 120

約数和(自身を含む): 53277840

約数和(自身を除く): 33706640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 139, 160, 176, 200, 220, 256, 275, 278, 320, 352, 400, 440, 512, 550, 556, 640, 695, 704, 800, 880, 1100, 1112, 1280, 1390, 1408, 1529, 1600, 1760, 2200, 2224, 2560, 2780, 2816, 3058, 3200, 3475, 3520, 4400, 4448, 5560, 5632, 6116, 6400, 6950, 7040, 7645, 8800, 8896, 11120, 12232, 12800, 13900, 14080, 15290, 17600, 17792, 22240, 24464, 27800, 28160, 30580, 35200, 35584, 38225, 44480, 48928, 55600, 61160, 70400, 71168, 76450, 88960, 97856, 111200, 122320, 140800, 152900, 177920, 195712, 222400, 244640, 305800, 355840, 391424, 444800, 489280, 611600, 782848, 889600, 978560, 1223200, 1779200, 1957120, 2446400, 3914240, 4892800, 9785600, 19571200]

約数ペア:

[(1, 19571200), (2, 9785600), (4, 4892800), (5, 3914240), (8, 2446400), (10, 1957120), (11, 1779200), (16, 1223200), (20, 978560), (22, 889600), (25, 782848), (32, 611600), (40, 489280), (44, 444800), (50, 391424), (55, 355840), (64, 305800), (80, 244640), (88, 222400), (100, 195712), (110, 177920), (128, 152900), (139, 140800), (160, 122320), (176, 111200), (200, 97856), (220, 88960), (256, 76450), (275, 71168), (278, 70400), (320, 61160), (352, 55600), (400, 48928), (440, 44480), (512, 38225), (550, 35584), (556, 35200), (640, 30580), (695, 28160), (704, 27800), (800, 24464), (880, 22240), (1100, 17792), (1112, 17600), (1280, 15290), (1390, 14080), (1408, 13900), (1529, 12800), (1600, 12232), (1760, 11120), (2200, 8896), (2224, 8800), (2560, 7645), (2780, 7040), (2816, 6950), (3058, 6400), (3200, 6116), (3475, 5632), (3520, 5560), (4400, 4448)]