1685454920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{1307}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 3844264320

約数和(自身を除く): 2158809400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 313, 412, 515, 626, 824, 1030, 1252, 1307, 1565, 2060, 2504, 2614, 3130, 4120, 5228, 6260, 6535, 10456, 12520, 13070, 26140, 32239, 52280, 64478, 128956, 134621, 161195, 257912, 269242, 322390, 409091, 538484, 644780, 673105, 818182, 1076968, 1289560, 1346210, 1636364, 2045455, 2692420, 3272728, 4090910, 5384840, 8181820, 16363640, 42136373, 84272746, 168545492, 210681865, 337090984, 421363730, 842727460, 1685454920]

約数ペア:

[(1, 1685454920), (2, 842727460), (4, 421363730), (5, 337090984), (8, 210681865), (10, 168545492), (20, 84272746), (40, 42136373), (103, 16363640), (206, 8181820), (313, 5384840), (412, 4090910), (515, 3272728), (626, 2692420), (824, 2045455), (1030, 1636364), (1252, 1346210), (1307, 1289560), (1565, 1076968), (2060, 818182), (2504, 673105), (2614, 644780), (3130, 538484), (4120, 409091), (5228, 322390), (6260, 269242), (6535, 257912), (10456, 161195), (12520, 134621), (13070, 128956), (26140, 64478), (32239, 52280)]