1428177940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{536909}}^1$

素因数の和:536944

約数の個数: 48

約数和(自身を含む): 3608035200

約数和(自身を除く): 2179857260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 536909, 1073818, 2147636, 2684545, 3758363, 5369090, 7516726, 10201271, 10738180, 15033452, 18791815, 20402542, 37583630, 40805084, 51006355, 71408897, 75167260, 102012710, 142817794, 204025420, 285635588, 357044485, 714088970, 1428177940]

約数ペア:

[(1, 1428177940), (2, 714088970), (4, 357044485), (5, 285635588), (7, 204025420), (10, 142817794), (14, 102012710), (19, 75167260), (20, 71408897), (28, 51006355), (35, 40805084), (38, 37583630), (70, 20402542), (76, 18791815), (95, 15033452), (133, 10738180), (140, 10201271), (190, 7516726), (266, 5369090), (380, 3758363), (532, 2684545), (665, 2147636), (1330, 1073818), (2660, 536909)]