199984480

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11467}}^1$

素因数の和:11591

約数の個数: 48

約数和(自身を含む): 476839440

約数和(自身を除く): 276854960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 11467, 17440, 22934, 45868, 57335, 91736, 114670, 183472, 229340, 366944, 458680, 917360, 1249903, 1834720, 2499806, 4999612, 6249515, 9999224, 12499030, 19998448, 24998060, 39996896, 49996120, 99992240, 199984480]

約数ペア:

[(1, 199984480), (2, 99992240), (4, 49996120), (5, 39996896), (8, 24998060), (10, 19998448), (16, 12499030), (20, 9999224), (32, 6249515), (40, 4999612), (80, 2499806), (109, 1834720), (160, 1249903), (218, 917360), (436, 458680), (545, 366944), (872, 229340), (1090, 183472), (1744, 114670), (2180, 91736), (3488, 57335), (4360, 45868), (8720, 22934), (11467, 17440)]