216971120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63073}}^1$

素因数の和:63129

約数の個数: 40

約数和(自身を含む): 516197616

約数和(自身を除く): 299226496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 63073, 126146, 252292, 315365, 504584, 630730, 1009168, 1261460, 2522920, 2712139, 5045840, 5424278, 10848556, 13560695, 21697112, 27121390, 43394224, 54242780, 108485560, 216971120]

約数ペア:

[(1, 216971120), (2, 108485560), (4, 54242780), (5, 43394224), (8, 27121390), (10, 21697112), (16, 13560695), (20, 10848556), (40, 5424278), (43, 5045840), (80, 2712139), (86, 2522920), (172, 1261460), (215, 1009168), (344, 630730), (430, 504584), (688, 315365), (860, 252292), (1720, 126146), (3440, 63073)]