380890900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{292993}}^1$

素因数の和:293020

約数の個数: 36

約数和(自身を含む): 890115772

約数和(自身を除く): 509224872

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 292993, 585986, 1171972, 1464965, 2929930, 3808909, 5859860, 7324825, 7617818, 14649650, 15235636, 19044545, 29299300, 38089090, 76178180, 95222725, 190445450, 380890900]

約数ペア:

[(1, 380890900), (2, 190445450), (4, 95222725), (5, 76178180), (10, 38089090), (13, 29299300), (20, 19044545), (25, 15235636), (26, 14649650), (50, 7617818), (52, 7324825), (65, 5859860), (100, 3808909), (130, 2929930), (260, 1464965), (325, 1171972), (650, 585986), (1300, 292993)]