219553280

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:779

約数の個数: 80

約数和(自身を含む): 531059760

約数和(自身を除く): 311506480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 512, 556, 617, 640, 695, 1112, 1234, 1280, 1390, 2224, 2468, 2560, 2780, 3085, 4448, 4936, 5560, 6170, 8896, 9872, 11120, 12340, 17792, 19744, 22240, 24680, 35584, 39488, 44480, 49360, 71168, 78976, 85763, 88960, 98720, 157952, 171526, 177920, 197440, 315904, 343052, 355840, 394880, 428815, 686104, 789760, 857630, 1372208, 1579520, 1715260, 2744416, 3430520, 5488832, 6861040, 10977664, 13722080, 21955328, 27444160, 43910656, 54888320, 109776640, 219553280]

約数ペア:

[(1, 219553280), (2, 109776640), (4, 54888320), (5, 43910656), (8, 27444160), (10, 21955328), (16, 13722080), (20, 10977664), (32, 6861040), (40, 5488832), (64, 3430520), (80, 2744416), (128, 1715260), (139, 1579520), (160, 1372208), (256, 857630), (278, 789760), (320, 686104), (512, 428815), (556, 394880), (617, 355840), (640, 343052), (695, 315904), (1112, 197440), (1234, 177920), (1280, 171526), (1390, 157952), (2224, 98720), (2468, 88960), (2560, 85763), (2780, 78976), (3085, 71168), (4448, 49360), (4936, 44480), (5560, 39488), (6170, 35584), (8896, 24680), (9872, 22240), (11120, 19744), (12340, 17792)]