30874090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4481}}^1$

素因数の和:4554

約数の個数: 32

約数和(自身を含む): 60991056

約数和(自身を除く): 30116966

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 4481, 6890, 8962, 22405, 44810, 58253, 116506, 237493, 291265, 474986, 582530, 1187465, 2374930, 3087409, 6174818, 15437045, 30874090]

約数ペア:

[(1, 30874090), (2, 15437045), (5, 6174818), (10, 3087409), (13, 2374930), (26, 1187465), (53, 582530), (65, 474986), (106, 291265), (130, 237493), (265, 116506), (530, 58253), (689, 44810), (1378, 22405), (3445, 8962), (4481, 6890)]