213148760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1017

約数の個数: 96

約数和(自身を含む): 538937280

約数和(自身を除く): 325788520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 121, 188, 220, 235, 242, 376, 440, 470, 484, 517, 605, 937, 940, 968, 1034, 1210, 1874, 1880, 2068, 2420, 2585, 3748, 4136, 4685, 4840, 5170, 5687, 7496, 9370, 10307, 10340, 11374, 18740, 20614, 20680, 22748, 28435, 37480, 41228, 44039, 45496, 51535, 56870, 82456, 88078, 103070, 113377, 113740, 176156, 206140, 220195, 226754, 227480, 352312, 412280, 440390, 453508, 484429, 566885, 880780, 907016, 968858, 1133770, 1761560, 1937716, 2267540, 2422145, 3875432, 4535080, 4844290, 5328719, 9688580, 10657438, 19377160, 21314876, 26643595, 42629752, 53287190, 106574380, 213148760]

約数ペア:

[(1, 213148760), (2, 106574380), (4, 53287190), (5, 42629752), (8, 26643595), (10, 21314876), (11, 19377160), (20, 10657438), (22, 9688580), (40, 5328719), (44, 4844290), (47, 4535080), (55, 3875432), (88, 2422145), (94, 2267540), (110, 1937716), (121, 1761560), (188, 1133770), (220, 968858), (235, 907016), (242, 880780), (376, 566885), (440, 484429), (470, 453508), (484, 440390), (517, 412280), (605, 352312), (937, 227480), (940, 226754), (968, 220195), (1034, 206140), (1210, 176156), (1874, 113740), (1880, 113377), (2068, 103070), (2420, 88078), (2585, 82456), (3748, 56870), (4136, 51535), (4685, 45496), (4840, 44039), (5170, 41228), (5687, 37480), (7496, 28435), (9370, 22748), (10307, 20680), (10340, 20614), (11374, 18740)]