348140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 799344

約数和(自身を除く): 451204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 206, 260, 338, 412, 515, 676, 845, 1030, 1339, 1690, 2060, 2678, 3380, 5356, 6695, 13390, 17407, 26780, 34814, 69628, 87035, 174070, 348140]

約数ペア:

[(1, 348140), (2, 174070), (4, 87035), (5, 69628), (10, 34814), (13, 26780), (20, 17407), (26, 13390), (52, 6695), (65, 5356), (103, 3380), (130, 2678), (169, 2060), (206, 1690), (260, 1339), (338, 1030), (412, 845), (515, 676)]