2011030780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{69779}}^1$

素因数の和:69930

約数の個数: 48

約数和(自身を含む): 4642323840

約数和(自身を除く): 2631293060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 14410, 28820, 69779, 139558, 279116, 348895, 697790, 767569, 1395580, 1535138, 3070276, 3837845, 7675690, 9141049, 15351380, 18282098, 36564196, 45705245, 91410490, 100551539, 182820980, 201103078, 402206156, 502757695, 1005515390, 2011030780]

約数ペア:

[(1, 2011030780), (2, 1005515390), (4, 502757695), (5, 402206156), (10, 201103078), (11, 182820980), (20, 100551539), (22, 91410490), (44, 45705245), (55, 36564196), (110, 18282098), (131, 15351380), (220, 9141049), (262, 7675690), (524, 3837845), (655, 3070276), (1310, 1535138), (1441, 1395580), (2620, 767569), (2882, 697790), (5764, 348895), (7205, 279116), (14410, 139558), (28820, 69779)]