206216500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 552726720

約数和(自身を除く): 346510220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 125, 133, 140, 175, 190, 196, 245, 250, 266, 350, 380, 443, 475, 490, 500, 532, 665, 700, 875, 886, 931, 950, 980, 1225, 1330, 1750, 1772, 1862, 1900, 2215, 2375, 2450, 2660, 3101, 3325, 3500, 3724, 4430, 4655, 4750, 4900, 6125, 6202, 6650, 8417, 8860, 9310, 9500, 11075, 12250, 12404, 13300, 15505, 16625, 16834, 18620, 21707, 22150, 23275, 24500, 31010, 33250, 33668, 42085, 43414, 44300, 46550, 55375, 58919, 62020, 66500, 77525, 84170, 86828, 93100, 108535, 110750, 116375, 117838, 155050, 168340, 210425, 217070, 221500, 232750, 235676, 294595, 310100, 387625, 412433, 420850, 434140, 465500, 542675, 589190, 775250, 824866, 841700, 1052125, 1085350, 1178380, 1472975, 1550500, 1649732, 2062165, 2104250, 2170700, 2713375, 2945950, 4124330, 4208500, 5426750, 5891900, 7364875, 8248660, 10310825, 10853500, 14729750, 20621650, 29459500, 41243300, 51554125, 103108250, 206216500]

約数ペア:

[(1, 206216500), (2, 103108250), (4, 51554125), (5, 41243300), (7, 29459500), (10, 20621650), (14, 14729750), (19, 10853500), (20, 10310825), (25, 8248660), (28, 7364875), (35, 5891900), (38, 5426750), (49, 4208500), (50, 4124330), (70, 2945950), (76, 2713375), (95, 2170700), (98, 2104250), (100, 2062165), (125, 1649732), (133, 1550500), (140, 1472975), (175, 1178380), (190, 1085350), (196, 1052125), (245, 841700), (250, 824866), (266, 775250), (350, 589190), (380, 542675), (443, 465500), (475, 434140), (490, 420850), (500, 412433), (532, 387625), (665, 310100), (700, 294595), (875, 235676), (886, 232750), (931, 221500), (950, 217070), (980, 210425), (1225, 168340), (1330, 155050), (1750, 117838), (1772, 116375), (1862, 110750), (1900, 108535), (2215, 93100), (2375, 86828), (2450, 84170), (2660, 77525), (3101, 66500), (3325, 62020), (3500, 58919), (3724, 55375), (4430, 46550), (4655, 44300), (4750, 43414), (4900, 42085), (6125, 33668), (6202, 33250), (6650, 31010), (8417, 24500), (8860, 23275), (9310, 22150), (9500, 21707), (11075, 18620), (12250, 16834), (12404, 16625), (13300, 15505)]