2789415207940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{63366997}}^1$

素因数の和:63367108

約数の個数: 48

約数和(自身を含む): 6131897662464

約数和(自身を除く): 3342482454524

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 63366997, 126733994, 253467988, 316834985, 633669970, 1267339940, 1964376907, 3928753814, 4499056787, 7857507628, 8998113574, 9821884535, 17996227148, 19643769070, 22495283935, 39287538140, 44990567870, 89981135740, 139470760397, 278941520794, 557883041588, 697353801985, 1394707603970, 2789415207940]

約数ペア:

[(1, 2789415207940), (2, 1394707603970), (4, 697353801985), (5, 557883041588), (10, 278941520794), (20, 139470760397), (31, 89981135740), (62, 44990567870), (71, 39287538140), (124, 22495283935), (142, 19643769070), (155, 17996227148), (284, 9821884535), (310, 8998113574), (355, 7857507628), (620, 4499056787), (710, 3928753814), (1420, 1964376907), (2201, 1267339940), (4402, 633669970), (8804, 316834985), (11005, 253467988), (22010, 126733994), (44020, 63366997)]