297473120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2045

約数の個数: 144

約数和(自身を含む): 860978160

約数和(自身を除く): 563505040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1960, 1997, 2128, 2660, 3040, 3724, 3920, 3994, 4256, 4655, 5320, 7448, 7840, 7988, 9310, 9985, 10640, 13979, 14896, 15976, 18620, 19970, 21280, 27958, 29792, 31952, 37240, 37943, 39940, 55916, 63904, 69895, 74480, 75886, 79880, 97853, 111832, 139790, 148960, 151772, 159760, 189715, 195706, 223664, 265601, 279580, 303544, 319520, 379430, 391412, 447328, 489265, 531202, 559160, 607088, 758860, 782824, 978530, 1062404, 1118320, 1214176, 1328005, 1517720, 1565648, 1859207, 1957060, 2124808, 2236640, 2656010, 3035440, 3131296, 3718414, 3914120, 4249616, 5312020, 6070880, 7436828, 7828240, 8499232, 9296035, 10624040, 14873656, 15656480, 18592070, 21248080, 29747312, 37184140, 42496160, 59494624, 74368280, 148736560, 297473120]

約数ペア:

[(1, 297473120), (2, 148736560), (4, 74368280), (5, 59494624), (7, 42496160), (8, 37184140), (10, 29747312), (14, 21248080), (16, 18592070), (19, 15656480), (20, 14873656), (28, 10624040), (32, 9296035), (35, 8499232), (38, 7828240), (40, 7436828), (49, 6070880), (56, 5312020), (70, 4249616), (76, 3914120), (80, 3718414), (95, 3131296), (98, 3035440), (112, 2656010), (133, 2236640), (140, 2124808), (152, 1957060), (160, 1859207), (190, 1565648), (196, 1517720), (224, 1328005), (245, 1214176), (266, 1118320), (280, 1062404), (304, 978530), (380, 782824), (392, 758860), (490, 607088), (532, 559160), (560, 531202), (608, 489265), (665, 447328), (760, 391412), (784, 379430), (931, 319520), (980, 303544), (1064, 279580), (1120, 265601), (1330, 223664), (1520, 195706), (1568, 189715), (1862, 159760), (1960, 151772), (1997, 148960), (2128, 139790), (2660, 111832), (3040, 97853), (3724, 79880), (3920, 75886), (3994, 74480), (4256, 69895), (4655, 63904), (5320, 55916), (7448, 39940), (7840, 37943), (7988, 37240), (9310, 31952), (9985, 29792), (10640, 27958), (13979, 21280), (14896, 19970), (15976, 18620)]