66490900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 172398688

約数和(自身を除く): 105907788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 47, 50, 70, 86, 94, 100, 140, 172, 175, 188, 215, 235, 301, 329, 350, 430, 470, 602, 658, 700, 860, 940, 1075, 1175, 1204, 1316, 1505, 1645, 2021, 2150, 2209, 2350, 3010, 3290, 4042, 4300, 4418, 4700, 6020, 6580, 7525, 8084, 8225, 8836, 10105, 11045, 14147, 15050, 15463, 16450, 20210, 22090, 28294, 30100, 30926, 32900, 40420, 44180, 50525, 55225, 56588, 61852, 70735, 77315, 94987, 101050, 110450, 141470, 154630, 189974, 202100, 220900, 282940, 309260, 353675, 379948, 386575, 474935, 664909, 707350, 773150, 949870, 1329818, 1414700, 1546300, 1899740, 2374675, 2659636, 3324545, 4749350, 6649090, 9498700, 13298180, 16622725, 33245450, 66490900]

約数ペア:

[(1, 66490900), (2, 33245450), (4, 16622725), (5, 13298180), (7, 9498700), (10, 6649090), (14, 4749350), (20, 3324545), (25, 2659636), (28, 2374675), (35, 1899740), (43, 1546300), (47, 1414700), (50, 1329818), (70, 949870), (86, 773150), (94, 707350), (100, 664909), (140, 474935), (172, 386575), (175, 379948), (188, 353675), (215, 309260), (235, 282940), (301, 220900), (329, 202100), (350, 189974), (430, 154630), (470, 141470), (602, 110450), (658, 101050), (700, 94987), (860, 77315), (940, 70735), (1075, 61852), (1175, 56588), (1204, 55225), (1316, 50525), (1505, 44180), (1645, 40420), (2021, 32900), (2150, 30926), (2209, 30100), (2350, 28294), (3010, 22090), (3290, 20210), (4042, 16450), (4300, 15463), (4418, 15050), (4700, 14147), (6020, 11045), (6580, 10105), (7525, 8836), (8084, 8225)]