198238040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4993

約数の個数: 128

約数和(自身を含む): 598993920

約数和(自身を除く): 400755880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 4951, 5005, 5720, 8008, 9902, 10010, 19804, 20020, 24755, 34657, 39608, 40040, 49510, 54461, 64363, 69314, 99020, 108922, 128726, 138628, 173285, 198040, 217844, 257452, 272305, 277256, 321815, 346570, 381227, 435688, 450541, 514904, 544610, 643630, 693140, 707993, 762454, 901082, 1089220, 1287260, 1386280, 1415986, 1524908, 1802164, 1906135, 2178440, 2252705, 2574520, 2831972, 3049816, 3539965, 3604328, 3812270, 4505410, 4955951, 5663944, 7079930, 7624540, 9010820, 9911902, 14159860, 15249080, 18021640, 19823804, 24779755, 28319720, 39647608, 49559510, 99119020, 198238040]

約数ペア:

[(1, 198238040), (2, 99119020), (4, 49559510), (5, 39647608), (7, 28319720), (8, 24779755), (10, 19823804), (11, 18021640), (13, 15249080), (14, 14159860), (20, 9911902), (22, 9010820), (26, 7624540), (28, 7079930), (35, 5663944), (40, 4955951), (44, 4505410), (52, 3812270), (55, 3604328), (56, 3539965), (65, 3049816), (70, 2831972), (77, 2574520), (88, 2252705), (91, 2178440), (104, 1906135), (110, 1802164), (130, 1524908), (140, 1415986), (143, 1386280), (154, 1287260), (182, 1089220), (220, 901082), (260, 762454), (280, 707993), (286, 693140), (308, 643630), (364, 544610), (385, 514904), (440, 450541), (455, 435688), (520, 381227), (572, 346570), (616, 321815), (715, 277256), (728, 272305), (770, 257452), (910, 217844), (1001, 198040), (1144, 173285), (1430, 138628), (1540, 128726), (1820, 108922), (2002, 99020), (2860, 69314), (3080, 64363), (3640, 54461), (4004, 49510), (4951, 40040), (5005, 39608), (5720, 34657), (8008, 24755), (9902, 20020), (10010, 19804)]