350480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 880152

約数和(自身を除く): 529672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 337, 520, 674, 1040, 1348, 1685, 2696, 3370, 4381, 5392, 6740, 8762, 13480, 17524, 21905, 26960, 35048, 43810, 70096, 87620, 175240, 350480]

約数ペア:

[(1, 350480), (2, 175240), (4, 87620), (5, 70096), (8, 43810), (10, 35048), (13, 26960), (16, 21905), (20, 17524), (26, 13480), (40, 8762), (52, 6740), (65, 5392), (80, 4381), (104, 3370), (130, 2696), (208, 1685), (260, 1348), (337, 1040), (520, 674)]