400050000

素因数分解:

$2^4\times 3^2\times 5^5\times 7^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 360

約数和(自身を含む): 1611896832

約数和(自身を除く): 1211846832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 125, 126, 127, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 250, 252, 254, 280, 300, 315, 336, 350, 360, 375, 381, 400, 420, 450, 500, 504, 508, 525, 560, 600, 625, 630, 635, 700, 720, 750, 762, 840, 875, 889, 900, 1000, 1008, 1016, 1050, 1125, 1143, 1200, 1250, 1260, 1270, 1400, 1500, 1524, 1575, 1680, 1750, 1778, 1800, 1875, 1905, 2000, 2032, 2100, 2250, 2286, 2500, 2520, 2540, 2625, 2667, 2800, 3000, 3048, 3125, 3150, 3175, 3500, 3556, 3600, 3750, 3810, 4200, 4375, 4445, 4500, 4572, 5000, 5040, 5080, 5250, 5334, 5625, 5715, 6000, 6096, 6250, 6300, 6350, 7000, 7112, 7500, 7620, 7875, 8001, 8400, 8750, 8890, 9000, 9144, 9375, 9525, 10000, 10160, 10500, 10668, 11250, 11430, 12500, 12600, 12700, 13125, 13335, 14000, 14224, 15000, 15240, 15750, 15875, 16002, 17500, 17780, 18000, 18288, 18750, 19050, 21000, 21336, 21875, 22225, 22500, 22860, 25000, 25200, 25400, 26250, 26670, 28125, 28575, 30000, 30480, 31500, 31750, 32004, 35000, 35560, 37500, 38100, 39375, 40005, 42000, 42672, 43750, 44450, 45000, 45720, 47625, 50000, 50800, 52500, 53340, 56250, 57150, 63000, 63500, 64008, 65625, 66675, 70000, 71120, 75000, 76200, 78750, 79375, 80010, 87500, 88900, 90000, 91440, 95250, 105000, 106680, 111125, 112500, 114300, 126000, 127000, 128016, 131250, 133350, 142875, 150000, 152400, 157500, 158750, 160020, 175000, 177800, 190500, 196875, 200025, 210000, 213360, 222250, 225000, 228600, 238125, 254000, 262500, 266700, 285750, 315000, 317500, 320040, 333375, 350000, 355600, 381000, 393750, 396875, 400050, 444500, 450000, 457200, 476250, 525000, 533400, 555625, 571500, 630000, 635000, 640080, 666750, 714375, 762000, 787500, 793750, 800100, 889000, 952500, 1000125, 1050000, 1066800, 1111250, 1143000, 1190625, 1270000, 1333500, 1428750, 1575000, 1587500, 1600200, 1666875, 1778000, 1905000, 2000250, 2222500, 2286000, 2381250, 2667000, 2778125, 2857500, 3150000, 3175000, 3200400, 3333750, 3571875, 3810000, 4000500, 4445000, 4762500, 5000625, 5334000, 5556250, 5715000, 6350000, 6667500, 7143750, 8001000, 8334375, 8890000, 9525000, 10001250, 11112500, 11430000, 13335000, 14287500, 16002000, 16668750, 19050000, 20002500, 22225000, 25003125, 26670000, 28575000, 33337500, 40005000, 44450000, 50006250, 57150000, 66675000, 80010000, 100012500, 133350000, 200025000, 400050000]

約数ペア:

[(1, 400050000), (2, 200025000), (3, 133350000), (4, 100012500), (5, 80010000), (6, 66675000), (7, 57150000), (8, 50006250), (9, 44450000), (10, 40005000), (12, 33337500), (14, 28575000), (15, 26670000), (16, 25003125), (18, 22225000), (20, 20002500), (21, 19050000), (24, 16668750), (25, 16002000), (28, 14287500), (30, 13335000), (35, 11430000), (36, 11112500), (40, 10001250), (42, 9525000), (45, 8890000), (48, 8334375), (50, 8001000), (56, 7143750), (60, 6667500), (63, 6350000), (70, 5715000), (72, 5556250), (75, 5334000), (80, 5000625), (84, 4762500), (90, 4445000), (100, 4000500), (105, 3810000), (112, 3571875), (120, 3333750), (125, 3200400), (126, 3175000), (127, 3150000), (140, 2857500), (144, 2778125), (150, 2667000), (168, 2381250), (175, 2286000), (180, 2222500), (200, 2000250), (210, 1905000), (225, 1778000), (240, 1666875), (250, 1600200), (252, 1587500), (254, 1575000), (280, 1428750), (300, 1333500), (315, 1270000), (336, 1190625), (350, 1143000), (360, 1111250), (375, 1066800), (381, 1050000), (400, 1000125), (420, 952500), (450, 889000), (500, 800100), (504, 793750), (508, 787500), (525, 762000), (560, 714375), (600, 666750), (625, 640080), (630, 635000), (635, 630000), (700, 571500), (720, 555625), (750, 533400), (762, 525000), (840, 476250), (875, 457200), (889, 450000), (900, 444500), (1000, 400050), (1008, 396875), (1016, 393750), (1050, 381000), (1125, 355600), (1143, 350000), (1200, 333375), (1250, 320040), (1260, 317500), (1270, 315000), (1400, 285750), (1500, 266700), (1524, 262500), (1575, 254000), (1680, 238125), (1750, 228600), (1778, 225000), (1800, 222250), (1875, 213360), (1905, 210000), (2000, 200025), (2032, 196875), (2100, 190500), (2250, 177800), (2286, 175000), (2500, 160020), (2520, 158750), (2540, 157500), (2625, 152400), (2667, 150000), (2800, 142875), (3000, 133350), (3048, 131250), (3125, 128016), (3150, 127000), (3175, 126000), (3500, 114300), (3556, 112500), (3600, 111125), (3750, 106680), (3810, 105000), (4200, 95250), (4375, 91440), (4445, 90000), (4500, 88900), (4572, 87500), (5000, 80010), (5040, 79375), (5080, 78750), (5250, 76200), (5334, 75000), (5625, 71120), (5715, 70000), (6000, 66675), (6096, 65625), (6250, 64008), (6300, 63500), (6350, 63000), (7000, 57150), (7112, 56250), (7500, 53340), (7620, 52500), (7875, 50800), (8001, 50000), (8400, 47625), (8750, 45720), (8890, 45000), (9000, 44450), (9144, 43750), (9375, 42672), (9525, 42000), (10000, 40005), (10160, 39375), (10500, 38100), (10668, 37500), (11250, 35560), (11430, 35000), (12500, 32004), (12600, 31750), (12700, 31500), (13125, 30480), (13335, 30000), (14000, 28575), (14224, 28125), (15000, 26670), (15240, 26250), (15750, 25400), (15875, 25200), (16002, 25000), (17500, 22860), (17780, 22500), (18000, 22225), (18288, 21875), (18750, 21336), (19050, 21000)]