221132800

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 627616080

約数和(自身を除く): 406483280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 617, 640, 700, 800, 896, 1024, 1120, 1234, 1280, 1400, 1600, 1792, 2048, 2240, 2468, 2560, 2800, 3085, 3200, 3584, 4319, 4480, 4936, 5120, 5600, 6170, 6400, 7168, 8638, 8960, 9872, 10240, 11200, 12340, 12800, 14336, 15425, 17276, 17920, 19744, 21595, 22400, 24680, 25600, 30850, 34552, 35840, 39488, 43190, 44800, 49360, 51200, 61700, 69104, 71680, 78976, 86380, 89600, 98720, 107975, 123400, 138208, 157952, 172760, 179200, 197440, 215950, 246800, 276416, 315904, 345520, 358400, 394880, 431900, 493600, 552832, 631808, 691040, 789760, 863800, 987200, 1105664, 1263616, 1382080, 1579520, 1727600, 1974400, 2211328, 2764160, 3159040, 3455200, 3948800, 4422656, 5528320, 6318080, 6910400, 7897600, 8845312, 11056640, 13820800, 15795200, 22113280, 27641600, 31590400, 44226560, 55283200, 110566400, 221132800]

約数ペア:

[(1, 221132800), (2, 110566400), (4, 55283200), (5, 44226560), (7, 31590400), (8, 27641600), (10, 22113280), (14, 15795200), (16, 13820800), (20, 11056640), (25, 8845312), (28, 7897600), (32, 6910400), (35, 6318080), (40, 5528320), (50, 4422656), (56, 3948800), (64, 3455200), (70, 3159040), (80, 2764160), (100, 2211328), (112, 1974400), (128, 1727600), (140, 1579520), (160, 1382080), (175, 1263616), (200, 1105664), (224, 987200), (256, 863800), (280, 789760), (320, 691040), (350, 631808), (400, 552832), (448, 493600), (512, 431900), (560, 394880), (617, 358400), (640, 345520), (700, 315904), (800, 276416), (896, 246800), (1024, 215950), (1120, 197440), (1234, 179200), (1280, 172760), (1400, 157952), (1600, 138208), (1792, 123400), (2048, 107975), (2240, 98720), (2468, 89600), (2560, 86380), (2800, 78976), (3085, 71680), (3200, 69104), (3584, 61700), (4319, 51200), (4480, 49360), (4936, 44800), (5120, 43190), (5600, 39488), (6170, 35840), (6400, 34552), (7168, 30850), (8638, 25600), (8960, 24680), (9872, 22400), (10240, 21595), (11200, 19744), (12340, 17920), (12800, 17276), (14336, 15425)]