30476740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217691}}^1$

素因数の和:217707

約数の個数: 24

約数和(自身を含む): 73144512

約数和(自身を除く): 42667772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217691, 435382, 870764, 1088455, 1523837, 2176910, 3047674, 4353820, 6095348, 7619185, 15238370, 30476740]

約数ペア:

[(1, 30476740), (2, 15238370), (4, 7619185), (5, 6095348), (7, 4353820), (10, 3047674), (14, 2176910), (20, 1523837), (28, 1088455), (35, 870764), (70, 435382), (140, 217691)]