30778580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219847}}^1$

素因数の和:219863

約数の個数: 24

約数和(自身を含む): 73868928

約数和(自身を除く): 43090348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219847, 439694, 879388, 1099235, 1538929, 2198470, 3077858, 4396940, 6155716, 7694645, 15389290, 30778580]

約数ペア:

[(1, 30778580), (2, 15389290), (4, 7694645), (5, 6155716), (7, 4396940), (10, 3077858), (14, 2198470), (20, 1538929), (28, 1099235), (35, 879388), (70, 439694), (140, 219847)]