205422140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133391}}^1$

素因数の和:133418

約数の個数: 48

約数和(自身を含む): 537836544

約数和(自身を除く): 332414404

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 133391, 266782, 533564, 666955, 933737, 1333910, 1467301, 1867474, 2667820, 2934602, 3734948, 4668685, 5869204, 7336505, 9337370, 10271107, 14673010, 18674740, 20542214, 29346020, 41084428, 51355535, 102711070, 205422140]

約数ペア:

[(1, 205422140), (2, 102711070), (4, 51355535), (5, 41084428), (7, 29346020), (10, 20542214), (11, 18674740), (14, 14673010), (20, 10271107), (22, 9337370), (28, 7336505), (35, 5869204), (44, 4668685), (55, 3734948), (70, 2934602), (77, 2667820), (110, 1867474), (140, 1467301), (154, 1333910), (220, 933737), (308, 666955), (385, 533564), (770, 266782), (1540, 133391)]