1285383980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2794313}}^1$

素因数の和:2794345

約数の個数: 24

約数和(自身を含む): 2816668512

約数和(自身を除く): 1531284532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2794313, 5588626, 11177252, 13971565, 27943130, 55886260, 64269199, 128538398, 257076796, 321345995, 642691990, 1285383980]

約数ペア:

[(1, 1285383980), (2, 642691990), (4, 321345995), (5, 257076796), (10, 128538398), (20, 64269199), (23, 55886260), (46, 27943130), (92, 13971565), (115, 11177252), (230, 5588626), (460, 2794313)]