2011657780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 4704884352

約数和(自身を除く): 2693226572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 107, 110, 194, 214, 220, 388, 428, 485, 535, 881, 970, 1067, 1070, 1177, 1762, 1940, 2134, 2140, 2354, 3524, 4268, 4405, 4708, 5335, 5885, 8810, 9691, 10379, 10670, 11770, 17620, 19382, 20758, 21340, 23540, 38764, 41516, 48455, 51895, 85457, 94267, 96910, 103790, 114169, 170914, 188534, 193820, 207580, 228338, 341828, 377068, 427285, 456676, 471335, 570845, 854570, 940027, 942670, 1036937, 1141690, 1709140, 1880054, 1885340, 2073874, 2283380, 3760108, 4147748, 4700135, 5184685, 9143899, 9400270, 10369370, 18287798, 18800540, 20738740, 36575596, 45719495, 91438990, 100582889, 182877980, 201165778, 402331556, 502914445, 1005828890, 2011657780]

約数ペア:

[(1, 2011657780), (2, 1005828890), (4, 502914445), (5, 402331556), (10, 201165778), (11, 182877980), (20, 100582889), (22, 91438990), (44, 45719495), (55, 36575596), (97, 20738740), (107, 18800540), (110, 18287798), (194, 10369370), (214, 9400270), (220, 9143899), (388, 5184685), (428, 4700135), (485, 4147748), (535, 3760108), (881, 2283380), (970, 2073874), (1067, 1885340), (1070, 1880054), (1177, 1709140), (1762, 1141690), (1940, 1036937), (2134, 942670), (2140, 940027), (2354, 854570), (3524, 570845), (4268, 471335), (4405, 456676), (4708, 427285), (5335, 377068), (5885, 341828), (8810, 228338), (9691, 207580), (10379, 193820), (10670, 188534), (11770, 170914), (17620, 114169), (19382, 103790), (20758, 96910), (21340, 94267), (23540, 85457), (38764, 51895), (41516, 48455)]