248554240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 659312640

約数和(自身を除く): 410758400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 139, 160, 176, 220, 254, 256, 278, 320, 352, 440, 508, 556, 635, 640, 695, 704, 880, 1016, 1112, 1270, 1280, 1390, 1397, 1408, 1529, 1760, 2032, 2224, 2540, 2780, 2794, 2816, 3058, 3520, 4064, 4448, 5080, 5560, 5588, 6116, 6985, 7040, 7645, 8128, 8896, 10160, 11120, 11176, 12232, 13970, 14080, 15290, 16256, 17653, 17792, 20320, 22240, 22352, 24464, 27940, 30580, 32512, 35306, 35584, 40640, 44480, 44704, 48928, 55880, 61160, 70612, 81280, 88265, 88960, 89408, 97856, 111760, 122320, 141224, 162560, 176530, 177920, 178816, 194183, 195712, 223520, 244640, 282448, 353060, 357632, 388366, 391424, 447040, 489280, 564896, 706120, 776732, 894080, 970915, 978560, 1129792, 1412240, 1553464, 1788160, 1941830, 1957120, 2259584, 2824480, 3106928, 3883660, 4519168, 5648960, 6213856, 7767320, 11297920, 12427712, 15534640, 22595840, 24855424, 31069280, 49710848, 62138560, 124277120, 248554240]

約数ペア:

[(1, 248554240), (2, 124277120), (4, 62138560), (5, 49710848), (8, 31069280), (10, 24855424), (11, 22595840), (16, 15534640), (20, 12427712), (22, 11297920), (32, 7767320), (40, 6213856), (44, 5648960), (55, 4519168), (64, 3883660), (80, 3106928), (88, 2824480), (110, 2259584), (127, 1957120), (128, 1941830), (139, 1788160), (160, 1553464), (176, 1412240), (220, 1129792), (254, 978560), (256, 970915), (278, 894080), (320, 776732), (352, 706120), (440, 564896), (508, 489280), (556, 447040), (635, 391424), (640, 388366), (695, 357632), (704, 353060), (880, 282448), (1016, 244640), (1112, 223520), (1270, 195712), (1280, 194183), (1390, 178816), (1397, 177920), (1408, 176530), (1529, 162560), (1760, 141224), (2032, 122320), (2224, 111760), (2540, 97856), (2780, 89408), (2794, 88960), (2816, 88265), (3058, 81280), (3520, 70612), (4064, 61160), (4448, 55880), (5080, 48928), (5560, 44704), (5588, 44480), (6116, 40640), (6985, 35584), (7040, 35306), (7645, 32512), (8128, 30580), (8896, 27940), (10160, 24464), (11120, 22352), (11176, 22240), (12232, 20320), (13970, 17792), (14080, 17653), (15290, 16256)]