1891330210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{17929}}^1$

素因数の和:18091

約数の個数: 64

約数和(自身を含む): 4275659520

約数和(自身を除く): 2384329310

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 274, 385, 685, 770, 959, 1370, 1507, 1918, 3014, 4795, 7535, 9590, 10549, 15070, 17929, 21098, 35858, 52745, 89645, 105490, 125503, 179290, 197219, 251006, 394438, 627515, 986095, 1255030, 1380533, 1972190, 2456273, 2761066, 4912546, 6902665, 12281365, 13805330, 17193911, 24562730, 27019003, 34387822, 54038006, 85969555, 135095015, 171939110, 189133021, 270190030, 378266042, 945665105, 1891330210]

約数ペア:

[(1, 1891330210), (2, 945665105), (5, 378266042), (7, 270190030), (10, 189133021), (11, 171939110), (14, 135095015), (22, 85969555), (35, 54038006), (55, 34387822), (70, 27019003), (77, 24562730), (110, 17193911), (137, 13805330), (154, 12281365), (274, 6902665), (385, 4912546), (685, 2761066), (770, 2456273), (959, 1972190), (1370, 1380533), (1507, 1255030), (1918, 986095), (3014, 627515), (4795, 394438), (7535, 251006), (9590, 197219), (10549, 179290), (15070, 125503), (17929, 105490), (21098, 89645), (35858, 52745)]