213505780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{464143}}^1$

素因数の和:464175

約数の個数: 24

約数和(自身を含む): 467857152

約数和(自身を除く): 254351372

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 464143, 928286, 1856572, 2320715, 4641430, 9282860, 10675289, 21350578, 42701156, 53376445, 106752890, 213505780]

約数ペア:

[(1, 213505780), (2, 106752890), (4, 53376445), (5, 42701156), (10, 21350578), (20, 10675289), (23, 9282860), (46, 4641430), (92, 2320715), (115, 1856572), (230, 928286), (460, 464143)]