212480800

素因数分解:

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

素因数の和:2043

約数の個数: 144

約数和(自身を含む): 624335040

約数和(自身を除く): 411854240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 200, 224, 266, 280, 304, 350, 380, 400, 475, 532, 560, 608, 665, 700, 760, 800, 950, 1064, 1120, 1330, 1400, 1520, 1900, 1997, 2128, 2660, 2800, 3040, 3325, 3800, 3994, 4256, 5320, 5600, 6650, 7600, 7988, 9985, 10640, 13300, 13979, 15200, 15976, 19970, 21280, 26600, 27958, 31952, 37943, 39940, 49925, 53200, 55916, 63904, 69895, 75886, 79880, 99850, 106400, 111832, 139790, 151772, 159760, 189715, 199700, 223664, 265601, 279580, 303544, 319520, 349475, 379430, 399400, 447328, 531202, 559160, 607088, 698950, 758860, 798800, 948575, 1062404, 1118320, 1214176, 1328005, 1397900, 1517720, 1597600, 1897150, 2124808, 2236640, 2656010, 2795800, 3035440, 3794300, 4249616, 5312020, 5591600, 6070880, 6640025, 7588600, 8499232, 10624040, 11183200, 13280050, 15177200, 21248080, 26560100, 30354400, 42496160, 53120200, 106240400, 212480800]

約数ペア:

[(1, 212480800), (2, 106240400), (4, 53120200), (5, 42496160), (7, 30354400), (8, 26560100), (10, 21248080), (14, 15177200), (16, 13280050), (19, 11183200), (20, 10624040), (25, 8499232), (28, 7588600), (32, 6640025), (35, 6070880), (38, 5591600), (40, 5312020), (50, 4249616), (56, 3794300), (70, 3035440), (76, 2795800), (80, 2656010), (95, 2236640), (100, 2124808), (112, 1897150), (133, 1597600), (140, 1517720), (152, 1397900), (160, 1328005), (175, 1214176), (190, 1118320), (200, 1062404), (224, 948575), (266, 798800), (280, 758860), (304, 698950), (350, 607088), (380, 559160), (400, 531202), (475, 447328), (532, 399400), (560, 379430), (608, 349475), (665, 319520), (700, 303544), (760, 279580), (800, 265601), (950, 223664), (1064, 199700), (1120, 189715), (1330, 159760), (1400, 151772), (1520, 139790), (1900, 111832), (1997, 106400), (2128, 99850), (2660, 79880), (2800, 75886), (3040, 69895), (3325, 63904), (3800, 55916), (3994, 53200), (4256, 49925), (5320, 39940), (5600, 37943), (6650, 31952), (7600, 27958), (7988, 26600), (9985, 21280), (10640, 19970), (13300, 15976), (13979, 15200)]