251231400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 288

約数和(自身を含む): 978032640

約数和(自身を除く): 726801240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 127, 140, 150, 157, 168, 175, 180, 200, 210, 225, 252, 254, 280, 300, 314, 315, 350, 360, 381, 420, 450, 471, 504, 508, 525, 600, 628, 630, 635, 700, 762, 785, 840, 889, 900, 942, 1016, 1050, 1099, 1143, 1256, 1260, 1270, 1400, 1413, 1524, 1570, 1575, 1778, 1800, 1884, 1905, 2100, 2198, 2286, 2355, 2520, 2540, 2667, 2826, 3048, 3140, 3150, 3175, 3297, 3556, 3768, 3810, 3925, 4200, 4396, 4445, 4572, 4710, 5080, 5334, 5495, 5652, 5715, 6280, 6300, 6350, 6594, 7065, 7112, 7620, 7850, 8001, 8792, 8890, 9144, 9420, 9525, 9891, 10668, 10990, 11304, 11430, 11775, 12600, 12700, 13188, 13335, 14130, 15240, 15700, 16002, 16485, 17780, 18840, 19050, 19782, 19939, 21336, 21980, 22225, 22860, 23550, 25400, 26376, 26670, 27475, 28260, 28575, 31400, 32004, 32970, 35325, 35560, 38100, 39564, 39878, 40005, 43960, 44450, 45720, 47100, 49455, 53340, 54950, 56520, 57150, 59817, 64008, 65940, 66675, 70650, 76200, 79128, 79756, 80010, 82425, 88900, 94200, 98910, 99695, 106680, 109900, 114300, 119634, 131880, 133350, 139573, 141300, 159512, 160020, 164850, 177800, 179451, 197820, 199390, 200025, 219800, 228600, 239268, 247275, 266700, 279146, 282600, 299085, 320040, 329700, 358902, 395640, 398780, 400050, 418719, 478536, 494550, 498475, 533400, 558292, 598170, 659400, 697865, 717804, 797560, 800100, 837438, 897255, 989100, 996950, 1116584, 1196340, 1256157, 1395730, 1435608, 1495425, 1600200, 1674876, 1794510, 1978200, 1993900, 2093595, 2392680, 2512314, 2791460, 2990850, 3349752, 3489325, 3589020, 3987800, 4187190, 4486275, 5024628, 5582920, 5981700, 6280785, 6978650, 7178040, 8374380, 8972550, 10049256, 10467975, 11963400, 12561570, 13957300, 16748760, 17945100, 20935950, 25123140, 27914600, 31403925, 35890200, 41871900, 50246280, 62807850, 83743800, 125615700, 251231400]

約数ペア:

[(1, 251231400), (2, 125615700), (3, 83743800), (4, 62807850), (5, 50246280), (6, 41871900), (7, 35890200), (8, 31403925), (9, 27914600), (10, 25123140), (12, 20935950), (14, 17945100), (15, 16748760), (18, 13957300), (20, 12561570), (21, 11963400), (24, 10467975), (25, 10049256), (28, 8972550), (30, 8374380), (35, 7178040), (36, 6978650), (40, 6280785), (42, 5981700), (45, 5582920), (50, 5024628), (56, 4486275), (60, 4187190), (63, 3987800), (70, 3589020), (72, 3489325), (75, 3349752), (84, 2990850), (90, 2791460), (100, 2512314), (105, 2392680), (120, 2093595), (126, 1993900), (127, 1978200), (140, 1794510), (150, 1674876), (157, 1600200), (168, 1495425), (175, 1435608), (180, 1395730), (200, 1256157), (210, 1196340), (225, 1116584), (252, 996950), (254, 989100), (280, 897255), (300, 837438), (314, 800100), (315, 797560), (350, 717804), (360, 697865), (381, 659400), (420, 598170), (450, 558292), (471, 533400), (504, 498475), (508, 494550), (525, 478536), (600, 418719), (628, 400050), (630, 398780), (635, 395640), (700, 358902), (762, 329700), (785, 320040), (840, 299085), (889, 282600), (900, 279146), (942, 266700), (1016, 247275), (1050, 239268), (1099, 228600), (1143, 219800), (1256, 200025), (1260, 199390), (1270, 197820), (1400, 179451), (1413, 177800), (1524, 164850), (1570, 160020), (1575, 159512), (1778, 141300), (1800, 139573), (1884, 133350), (1905, 131880), (2100, 119634), (2198, 114300), (2286, 109900), (2355, 106680), (2520, 99695), (2540, 98910), (2667, 94200), (2826, 88900), (3048, 82425), (3140, 80010), (3150, 79756), (3175, 79128), (3297, 76200), (3556, 70650), (3768, 66675), (3810, 65940), (3925, 64008), (4200, 59817), (4396, 57150), (4445, 56520), (4572, 54950), (4710, 53340), (5080, 49455), (5334, 47100), (5495, 45720), (5652, 44450), (5715, 43960), (6280, 40005), (6300, 39878), (6350, 39564), (6594, 38100), (7065, 35560), (7112, 35325), (7620, 32970), (7850, 32004), (8001, 31400), (8792, 28575), (8890, 28260), (9144, 27475), (9420, 26670), (9525, 26376), (9891, 25400), (10668, 23550), (10990, 22860), (11304, 22225), (11430, 21980), (11775, 21336), (12600, 19939), (12700, 19782), (13188, 19050), (13335, 18840), (14130, 17780), (15240, 16485), (15700, 16002)]