18534250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 43215120

約数和(自身を除く): 24680870

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 49, 50, 70, 85, 89, 98, 119, 125, 170, 175, 178, 238, 245, 250, 350, 425, 445, 490, 595, 623, 833, 850, 875, 890, 1190, 1225, 1246, 1513, 1666, 1750, 2125, 2225, 2450, 2975, 3026, 3115, 4165, 4250, 4361, 4450, 5950, 6125, 6230, 7565, 8330, 8722, 10591, 11125, 12250, 14875, 15130, 15575, 20825, 21182, 21805, 22250, 29750, 31150, 37825, 41650, 43610, 52955, 74137, 75650, 77875, 104125, 105910, 109025, 148274, 155750, 189125, 208250, 218050, 264775, 370685, 378250, 529550, 545125, 741370, 1090250, 1323875, 1853425, 2647750, 3706850, 9267125, 18534250]

約数ペア:

[(1, 18534250), (2, 9267125), (5, 3706850), (7, 2647750), (10, 1853425), (14, 1323875), (17, 1090250), (25, 741370), (34, 545125), (35, 529550), (49, 378250), (50, 370685), (70, 264775), (85, 218050), (89, 208250), (98, 189125), (119, 155750), (125, 148274), (170, 109025), (175, 105910), (178, 104125), (238, 77875), (245, 75650), (250, 74137), (350, 52955), (425, 43610), (445, 41650), (490, 37825), (595, 31150), (623, 29750), (833, 22250), (850, 21805), (875, 21182), (890, 20825), (1190, 15575), (1225, 15130), (1246, 14875), (1513, 12250), (1666, 11125), (1750, 10591), (2125, 8722), (2225, 8330), (2450, 7565), (2975, 6230), (3026, 6125), (3115, 5950), (4165, 4450), (4250, 4361)]