257767379570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{44171}}^1\times {\mathrm{20123}}^1$

素因数の和:64330

約数の個数: 32

約数和(自身を含む): 480015357120

約数和(自身を除く): 222247977550

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 20123, 40246, 44171, 88342, 100615, 201230, 220855, 441710, 583567, 1167134, 1280959, 2561918, 2917835, 5835670, 6404795, 12809590, 888853033, 1777706066, 4444265165, 8888530330, 25776737957, 51553475914, 128883689785, 257767379570]

約数ペア:

[(1, 257767379570), (2, 128883689785), (5, 51553475914), (10, 25776737957), (29, 8888530330), (58, 4444265165), (145, 1777706066), (290, 888853033), (20123, 12809590), (40246, 6404795), (44171, 5835670), (88342, 2917835), (100615, 2561918), (201230, 1280959), (220855, 1167134), (441710, 583567)]