205722468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 616726656

約数和(自身を除く): 411004188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 73, 84, 106, 126, 146, 159, 211, 212, 219, 252, 292, 318, 371, 422, 438, 477, 511, 633, 636, 657, 742, 844, 876, 954, 1022, 1113, 1266, 1314, 1477, 1484, 1533, 1899, 1908, 2044, 2226, 2532, 2628, 2954, 3066, 3339, 3798, 3869, 4431, 4452, 4599, 5908, 6132, 6678, 7596, 7738, 8862, 9198, 11183, 11607, 13293, 13356, 15403, 15476, 17724, 18396, 22366, 23214, 26586, 27083, 30806, 33549, 34821, 44732, 46209, 46428, 53172, 54166, 61612, 67098, 69642, 78281, 81249, 92418, 100647, 107821, 108332, 134196, 138627, 139284, 156562, 162498, 184836, 201294, 215642, 234843, 243747, 277254, 313124, 323463, 324996, 402588, 431284, 469686, 487494, 554508, 646926, 704529, 816359, 939372, 970389, 974988, 1293852, 1409058, 1632718, 1940778, 2449077, 2818116, 3265436, 3881556, 4898154, 5714513, 7347231, 9796308, 11429026, 14694462, 17143539, 22858052, 29388924, 34287078, 51430617, 68574156, 102861234, 205722468]

約数ペア:

[(1, 205722468), (2, 102861234), (3, 68574156), (4, 51430617), (6, 34287078), (7, 29388924), (9, 22858052), (12, 17143539), (14, 14694462), (18, 11429026), (21, 9796308), (28, 7347231), (36, 5714513), (42, 4898154), (53, 3881556), (63, 3265436), (73, 2818116), (84, 2449077), (106, 1940778), (126, 1632718), (146, 1409058), (159, 1293852), (211, 974988), (212, 970389), (219, 939372), (252, 816359), (292, 704529), (318, 646926), (371, 554508), (422, 487494), (438, 469686), (477, 431284), (511, 402588), (633, 324996), (636, 323463), (657, 313124), (742, 277254), (844, 243747), (876, 234843), (954, 215642), (1022, 201294), (1113, 184836), (1266, 162498), (1314, 156562), (1477, 139284), (1484, 138627), (1533, 134196), (1899, 108332), (1908, 107821), (2044, 100647), (2226, 92418), (2532, 81249), (2628, 78281), (2954, 69642), (3066, 67098), (3339, 61612), (3798, 54166), (3869, 53172), (4431, 46428), (4452, 46209), (4599, 44732), (5908, 34821), (6132, 33549), (6678, 30806), (7596, 27083), (7738, 26586), (8862, 23214), (9198, 22366), (11183, 18396), (11607, 17724), (13293, 15476), (13356, 15403)]