669968368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 1411516800

約数和(自身を除く): 741548432

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 149, 244, 271, 272, 298, 488, 542, 596, 976, 1037, 1084, 1192, 2074, 2168, 2384, 2533, 4148, 4336, 4607, 5066, 8296, 9089, 9214, 10132, 16531, 16592, 18178, 18428, 20264, 33062, 36356, 36856, 40379, 40528, 66124, 72712, 73712, 80758, 132248, 145424, 154513, 161516, 264496, 281027, 309026, 323032, 562054, 618052, 646064, 686443, 1124108, 1236104, 1372886, 2248216, 2463119, 2472208, 2745772, 4496432, 4926238, 5491544, 9852476, 10983088, 19704952, 39409904, 41873023, 83746046, 167492092, 334984184, 669968368]

約数ペア:

[(1, 669968368), (2, 334984184), (4, 167492092), (8, 83746046), (16, 41873023), (17, 39409904), (34, 19704952), (61, 10983088), (68, 9852476), (122, 5491544), (136, 4926238), (149, 4496432), (244, 2745772), (271, 2472208), (272, 2463119), (298, 2248216), (488, 1372886), (542, 1236104), (596, 1124108), (976, 686443), (1037, 646064), (1084, 618052), (1192, 562054), (2074, 323032), (2168, 309026), (2384, 281027), (2533, 264496), (4148, 161516), (4336, 154513), (4607, 145424), (5066, 132248), (8296, 80758), (9089, 73712), (9214, 72712), (10132, 66124), (16531, 40528), (16592, 40379), (18178, 36856), (18428, 36356), (20264, 33062)]