1683940

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 3560760

約数和(自身を除く): 1876820

約数列:

[1, 2, 4, 5, 10, 20, 269, 313, 538, 626, 1076, 1252, 1345, 1565, 2690, 3130, 5380, 6260, 84197, 168394, 336788, 420985, 841970, 1683940]

約数ペア:

[(1, 1683940), (2, 841970), (4, 420985), (5, 336788), (10, 168394), (20, 84197), (269, 6260), (313, 5380), (538, 3130), (626, 2690), (1076, 1565), (1252, 1345)]