71028580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507347}}^1$

素因数の和:507363

約数の個数: 24

約数和(自身を含む): 170468928

約数和(自身を除く): 99440348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507347, 1014694, 2029388, 2536735, 3551429, 5073470, 7102858, 10146940, 14205716, 17757145, 35514290, 71028580]

約数ペア:

[(1, 71028580), (2, 35514290), (4, 17757145), (5, 14205716), (7, 10146940), (10, 7102858), (14, 5073470), (20, 3551429), (28, 2536735), (35, 2029388), (70, 1014694), (140, 507347)]