206685920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 144

約数和(自身を含む): 582776208

約数和(自身を除く): 376090288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 574, 643, 656, 784, 820, 980, 1120, 1148, 1286, 1312, 1435, 1568, 1640, 1960, 2009, 2296, 2572, 2870, 3215, 3280, 3920, 4018, 4501, 4592, 5144, 5740, 6430, 6560, 7840, 8036, 9002, 9184, 10045, 10288, 11480, 12860, 16072, 18004, 20090, 20576, 22505, 22960, 25720, 26363, 31507, 32144, 36008, 40180, 45010, 45920, 51440, 52726, 63014, 64288, 72016, 80360, 90020, 102880, 105452, 126028, 131815, 144032, 157535, 160720, 180040, 184541, 210904, 252056, 263630, 315070, 321440, 360080, 369082, 421808, 504112, 527260, 630140, 720160, 738164, 843616, 922705, 1008224, 1054520, 1260280, 1291787, 1476328, 1845410, 2109040, 2520560, 2583574, 2952656, 3690820, 4218080, 5041120, 5167148, 5905312, 6458935, 7381640, 10334296, 12917870, 14763280, 20668592, 25835740, 29526560, 41337184, 51671480, 103342960, 206685920]

約数ペア:

[(1, 206685920), (2, 103342960), (4, 51671480), (5, 41337184), (7, 29526560), (8, 25835740), (10, 20668592), (14, 14763280), (16, 12917870), (20, 10334296), (28, 7381640), (32, 6458935), (35, 5905312), (40, 5167148), (41, 5041120), (49, 4218080), (56, 3690820), (70, 2952656), (80, 2583574), (82, 2520560), (98, 2109040), (112, 1845410), (140, 1476328), (160, 1291787), (164, 1260280), (196, 1054520), (205, 1008224), (224, 922705), (245, 843616), (280, 738164), (287, 720160), (328, 630140), (392, 527260), (410, 504112), (490, 421808), (560, 369082), (574, 360080), (643, 321440), (656, 315070), (784, 263630), (820, 252056), (980, 210904), (1120, 184541), (1148, 180040), (1286, 160720), (1312, 157535), (1435, 144032), (1568, 131815), (1640, 126028), (1960, 105452), (2009, 102880), (2296, 90020), (2572, 80360), (2870, 72016), (3215, 64288), (3280, 63014), (3920, 52726), (4018, 51440), (4501, 45920), (4592, 45010), (5144, 40180), (5740, 36008), (6430, 32144), (6560, 31507), (7840, 26363), (8036, 25720), (9002, 22960), (9184, 22505), (10045, 20576), (10288, 20090), (11480, 18004), (12860, 16072)]