212092720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{811}}^1$

素因数の和:1298

約数の個数: 80

約数和(自身を含む): 565463808

約数和(自身を除く): 353371088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 467, 560, 811, 934, 1622, 1868, 2335, 3244, 3269, 3736, 4055, 4670, 5677, 6488, 6538, 7472, 8110, 9340, 11354, 12976, 13076, 16220, 16345, 18680, 22708, 26152, 28385, 32440, 32690, 37360, 45416, 52304, 56770, 64880, 65380, 90832, 113540, 130760, 227080, 261520, 378737, 454160, 757474, 1514948, 1893685, 2651159, 3029896, 3787370, 5302318, 6059792, 7574740, 10604636, 13255795, 15149480, 21209272, 26511590, 30298960, 42418544, 53023180, 106046360, 212092720]

約数ペア:

[(1, 212092720), (2, 106046360), (4, 53023180), (5, 42418544), (7, 30298960), (8, 26511590), (10, 21209272), (14, 15149480), (16, 13255795), (20, 10604636), (28, 7574740), (35, 6059792), (40, 5302318), (56, 3787370), (70, 3029896), (80, 2651159), (112, 1893685), (140, 1514948), (280, 757474), (467, 454160), (560, 378737), (811, 261520), (934, 227080), (1622, 130760), (1868, 113540), (2335, 90832), (3244, 65380), (3269, 64880), (3736, 56770), (4055, 52304), (4670, 45416), (5677, 37360), (6488, 32690), (6538, 32440), (7472, 28385), (8110, 26152), (9340, 22708), (11354, 18680), (12976, 16345), (13076, 16220)]