157218580

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{5501}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 330450120

約数和(自身を除く): 173231540

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 5501, 5716, 7145, 11002, 14290, 22004, 27505, 28580, 55010, 110020, 7860929, 15721858, 31443716, 39304645, 78609290, 157218580]

約数ペア:

[(1, 157218580), (2, 78609290), (4, 39304645), (5, 31443716), (10, 15721858), (20, 7860929), (1429, 110020), (2858, 55010), (5501, 28580), (5716, 27505), (7145, 22004), (11002, 14290)]