252550900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 659680000

約数和(自身を除く): 407129100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 140, 148, 175, 185, 196, 199, 245, 259, 343, 350, 370, 398, 490, 518, 686, 700, 740, 796, 925, 980, 995, 1036, 1225, 1295, 1372, 1393, 1715, 1813, 1850, 1990, 2450, 2590, 2786, 3430, 3626, 3700, 3980, 4900, 4975, 5180, 5572, 6475, 6860, 6965, 7252, 7363, 8575, 9065, 9751, 9950, 12691, 12950, 13930, 14726, 17150, 18130, 19502, 19900, 25382, 25900, 27860, 29452, 34300, 34825, 36260, 36815, 39004, 45325, 48755, 50764, 51541, 63455, 68257, 69650, 73630, 90650, 97510, 103082, 126910, 136514, 139300, 147260, 181300, 184075, 195020, 206164, 243775, 253820, 257705, 273028, 317275, 341285, 360787, 368150, 487550, 515410, 634550, 682570, 721574, 736300, 975100, 1030820, 1269100, 1288525, 1365140, 1443148, 1706425, 1803935, 2525509, 2577050, 3412850, 3607870, 5051018, 5154100, 6825700, 7215740, 9019675, 10102036, 12627545, 18039350, 25255090, 36078700, 50510180, 63137725, 126275450, 252550900]

約数ペア:

[(1, 252550900), (2, 126275450), (4, 63137725), (5, 50510180), (7, 36078700), (10, 25255090), (14, 18039350), (20, 12627545), (25, 10102036), (28, 9019675), (35, 7215740), (37, 6825700), (49, 5154100), (50, 5051018), (70, 3607870), (74, 3412850), (98, 2577050), (100, 2525509), (140, 1803935), (148, 1706425), (175, 1443148), (185, 1365140), (196, 1288525), (199, 1269100), (245, 1030820), (259, 975100), (343, 736300), (350, 721574), (370, 682570), (398, 634550), (490, 515410), (518, 487550), (686, 368150), (700, 360787), (740, 341285), (796, 317275), (925, 273028), (980, 257705), (995, 253820), (1036, 243775), (1225, 206164), (1295, 195020), (1372, 184075), (1393, 181300), (1715, 147260), (1813, 139300), (1850, 136514), (1990, 126910), (2450, 103082), (2590, 97510), (2786, 90650), (3430, 73630), (3626, 69650), (3700, 68257), (3980, 63455), (4900, 51541), (4975, 50764), (5180, 48755), (5572, 45325), (6475, 39004), (6860, 36815), (6965, 36260), (7252, 34825), (7363, 34300), (8575, 29452), (9065, 27860), (9751, 25900), (9950, 25382), (12691, 19900), (12950, 19502), (13930, 18130), (14726, 17150)]