207940040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:583

約数の個数: 128

約数和(自身を含む): 588107520

約数和(自身を除く): 380167480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 181, 220, 280, 308, 362, 373, 385, 440, 616, 724, 746, 770, 905, 1267, 1448, 1492, 1540, 1810, 1865, 1991, 2534, 2611, 2984, 3080, 3620, 3730, 3982, 4103, 5068, 5222, 6335, 7240, 7460, 7964, 8206, 9955, 10136, 10444, 12670, 13055, 13937, 14920, 15928, 16412, 19910, 20515, 20888, 25340, 26110, 27874, 28721, 32824, 39820, 41030, 50680, 52220, 55748, 57442, 67513, 69685, 79640, 82060, 104440, 111496, 114884, 135026, 139370, 143605, 164120, 229768, 270052, 278740, 287210, 337565, 472591, 540104, 557480, 574420, 675130, 742643, 945182, 1148840, 1350260, 1485286, 1890364, 2362955, 2700520, 2970572, 3713215, 3780728, 4725910, 5198501, 5941144, 7426430, 9451820, 10397002, 14852860, 18903640, 20794004, 25992505, 29705720, 41588008, 51985010, 103970020, 207940040]

約数ペア:

[(1, 207940040), (2, 103970020), (4, 51985010), (5, 41588008), (7, 29705720), (8, 25992505), (10, 20794004), (11, 18903640), (14, 14852860), (20, 10397002), (22, 9451820), (28, 7426430), (35, 5941144), (40, 5198501), (44, 4725910), (55, 3780728), (56, 3713215), (70, 2970572), (77, 2700520), (88, 2362955), (110, 1890364), (140, 1485286), (154, 1350260), (181, 1148840), (220, 945182), (280, 742643), (308, 675130), (362, 574420), (373, 557480), (385, 540104), (440, 472591), (616, 337565), (724, 287210), (746, 278740), (770, 270052), (905, 229768), (1267, 164120), (1448, 143605), (1492, 139370), (1540, 135026), (1810, 114884), (1865, 111496), (1991, 104440), (2534, 82060), (2611, 79640), (2984, 69685), (3080, 67513), (3620, 57442), (3730, 55748), (3982, 52220), (4103, 50680), (5068, 41030), (5222, 39820), (6335, 32824), (7240, 28721), (7460, 27874), (7964, 26110), (8206, 25340), (9955, 20888), (10136, 20515), (10444, 19910), (12670, 16412), (13055, 15928), (13937, 14920)]