68400304

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32143}}^1$

素因数の和:32177

約数の個数: 40

約数和(自身を含む): 159434240

約数和(自身を除く): 91033936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 32143, 64286, 128572, 225001, 257144, 450002, 514288, 610717, 900004, 1221434, 1800008, 2442868, 3600016, 4275019, 4885736, 8550038, 9771472, 17100076, 34200152, 68400304]

約数ペア:

[(1, 68400304), (2, 34200152), (4, 17100076), (7, 9771472), (8, 8550038), (14, 4885736), (16, 4275019), (19, 3600016), (28, 2442868), (38, 1800008), (56, 1221434), (76, 900004), (112, 610717), (133, 514288), (152, 450002), (266, 257144), (304, 225001), (532, 128572), (1064, 64286), (2128, 32143)]