997063360

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{72461}}^1$

素因数の和:72521

約数の個数: 56

約数和(自身を含む): 2429505936

約数和(自身を除く): 1432442576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 72461, 144922, 289844, 362305, 579688, 724610, 1159376, 1449220, 2318752, 2898440, 3115823, 4637504, 5796880, 6231646, 11593760, 12463292, 15579115, 23187520, 24926584, 31158230, 49853168, 62316460, 99706336, 124632920, 199412672, 249265840, 498531680, 997063360]

約数ペア:

[(1, 997063360), (2, 498531680), (4, 249265840), (5, 199412672), (8, 124632920), (10, 99706336), (16, 62316460), (20, 49853168), (32, 31158230), (40, 24926584), (43, 23187520), (64, 15579115), (80, 12463292), (86, 11593760), (160, 6231646), (172, 5796880), (215, 4637504), (320, 3115823), (344, 2898440), (430, 2318752), (688, 1449220), (860, 1159376), (1376, 724610), (1720, 579688), (2752, 362305), (3440, 289844), (6880, 144922), (13760, 72461)]