139716640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 390930624

約数和(自身を除く): 251213984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 160, 196, 224, 245, 251, 280, 284, 355, 392, 490, 497, 502, 560, 568, 710, 784, 980, 994, 1004, 1120, 1136, 1255, 1420, 1568, 1757, 1960, 1988, 2008, 2272, 2485, 2510, 2840, 3479, 3514, 3920, 3976, 4016, 4970, 5020, 5680, 6958, 7028, 7840, 7952, 8032, 8785, 9940, 10040, 11360, 12299, 13916, 14056, 15904, 17395, 17570, 17821, 19880, 20080, 24598, 27832, 28112, 34790, 35140, 35642, 39760, 40160, 49196, 55664, 56224, 61495, 69580, 70280, 71284, 79520, 89105, 98392, 111328, 122990, 124747, 139160, 140560, 142568, 178210, 196784, 245980, 249494, 278320, 281120, 285136, 356420, 393568, 491960, 498988, 556640, 570272, 623735, 712840, 873229, 983920, 997976, 1247470, 1425680, 1746458, 1967840, 1995952, 2494940, 2851360, 3492916, 3991904, 4366145, 4989880, 6985832, 8732290, 9979760, 13971664, 17464580, 19959520, 27943328, 34929160, 69858320, 139716640]

約数ペア:

[(1, 139716640), (2, 69858320), (4, 34929160), (5, 27943328), (7, 19959520), (8, 17464580), (10, 13971664), (14, 9979760), (16, 8732290), (20, 6985832), (28, 4989880), (32, 4366145), (35, 3991904), (40, 3492916), (49, 2851360), (56, 2494940), (70, 1995952), (71, 1967840), (80, 1746458), (98, 1425680), (112, 1247470), (140, 997976), (142, 983920), (160, 873229), (196, 712840), (224, 623735), (245, 570272), (251, 556640), (280, 498988), (284, 491960), (355, 393568), (392, 356420), (490, 285136), (497, 281120), (502, 278320), (560, 249494), (568, 245980), (710, 196784), (784, 178210), (980, 142568), (994, 140560), (1004, 139160), (1120, 124747), (1136, 122990), (1255, 111328), (1420, 98392), (1568, 89105), (1757, 79520), (1960, 71284), (1988, 70280), (2008, 69580), (2272, 61495), (2485, 56224), (2510, 55664), (2840, 49196), (3479, 40160), (3514, 39760), (3920, 35642), (3976, 35140), (4016, 34790), (4970, 28112), (5020, 27832), (5680, 24598), (6958, 20080), (7028, 19880), (7840, 17821), (7952, 17570), (8032, 17395), (8785, 15904), (9940, 14056), (10040, 13916), (11360, 12299)]