30404140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{347}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 69162912

約数和(自身を除く): 38758772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 347, 674, 694, 1348, 1388, 1685, 1735, 3370, 3470, 4381, 4511, 6740, 6940, 8762, 9022, 17524, 18044, 21905, 22555, 43810, 45110, 87620, 90220, 116939, 233878, 467756, 584695, 1169390, 1520207, 2338780, 3040414, 6080828, 7601035, 15202070, 30404140]

約数ペア:

[(1, 30404140), (2, 15202070), (4, 7601035), (5, 6080828), (10, 3040414), (13, 2338780), (20, 1520207), (26, 1169390), (52, 584695), (65, 467756), (130, 233878), (260, 116939), (337, 90220), (347, 87620), (674, 45110), (694, 43810), (1348, 22555), (1388, 21905), (1685, 18044), (1735, 17524), (3370, 9022), (3470, 8762), (4381, 6940), (4511, 6740)]