199904640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8044

約数の個数: 128

約数和(自身を含む): 686296800

約数和(自身を除く): 486392160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8009, 8320, 12480, 16018, 24027, 24960, 32036, 40045, 48054, 64072, 80090, 96108, 104117, 120135, 128144, 160180, 192216, 208234, 240270, 256288, 312351, 320360, 384432, 416468, 480540, 512576, 520585, 624702, 640720, 768864, 832936, 961080, 1025152, 1041170, 1249404, 1281440, 1537728, 1561755, 1665872, 1922160, 2082340, 2498808, 2562880, 3075456, 3123510, 3331744, 3844320, 4164680, 4997616, 5125760, 6247020, 6663488, 7688640, 8329360, 9995232, 12494040, 13326976, 15377280, 16658720, 19990464, 24988080, 33317440, 39980928, 49976160, 66634880, 99952320, 199904640]

約数ペア:

[(1, 199904640), (2, 99952320), (3, 66634880), (4, 49976160), (5, 39980928), (6, 33317440), (8, 24988080), (10, 19990464), (12, 16658720), (13, 15377280), (15, 13326976), (16, 12494040), (20, 9995232), (24, 8329360), (26, 7688640), (30, 6663488), (32, 6247020), (39, 5125760), (40, 4997616), (48, 4164680), (52, 3844320), (60, 3331744), (64, 3123510), (65, 3075456), (78, 2562880), (80, 2498808), (96, 2082340), (104, 1922160), (120, 1665872), (128, 1561755), (130, 1537728), (156, 1281440), (160, 1249404), (192, 1041170), (195, 1025152), (208, 961080), (240, 832936), (260, 768864), (312, 640720), (320, 624702), (384, 520585), (390, 512576), (416, 480540), (480, 416468), (520, 384432), (624, 320360), (640, 312351), (780, 256288), (832, 240270), (960, 208234), (1040, 192216), (1248, 160180), (1560, 128144), (1664, 120135), (1920, 104117), (2080, 96108), (2496, 80090), (3120, 64072), (4160, 48054), (4992, 40045), (6240, 32036), (8009, 24960), (8320, 24027), (12480, 16018)]