219915520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15619}}^1$

素因数の和:15651

約数の個数: 72

約数和(自身を含む): 574691040

約数和(自身を除く): 354775520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 15619, 31238, 62476, 78095, 124952, 156190, 171809, 249904, 312380, 343618, 499808, 624760, 687236, 859045, 999616, 1249520, 1374472, 1718090, 1999232, 2499040, 2748944, 3436180, 3998464, 4998080, 5497888, 6872360, 9996160, 10995776, 13744720, 19992320, 21991552, 27489440, 43983104, 54978880, 109957760, 219915520]

約数ペア:

[(1, 219915520), (2, 109957760), (4, 54978880), (5, 43983104), (8, 27489440), (10, 21991552), (11, 19992320), (16, 13744720), (20, 10995776), (22, 9996160), (32, 6872360), (40, 5497888), (44, 4998080), (55, 3998464), (64, 3436180), (80, 2748944), (88, 2499040), (110, 1999232), (128, 1718090), (160, 1374472), (176, 1249520), (220, 999616), (256, 859045), (320, 687236), (352, 624760), (440, 499808), (640, 343618), (704, 312380), (880, 249904), (1280, 171809), (1408, 156190), (1760, 124952), (2816, 78095), (3520, 62476), (7040, 31238), (14080, 15619)]