2281940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 4862592

約数和(自身を除く): 2580652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1607, 3214, 6428, 8035, 16070, 32140, 114097, 228194, 456388, 570485, 1140970, 2281940]

約数ペア:

[(1, 2281940), (2, 1140970), (4, 570485), (5, 456388), (10, 228194), (20, 114097), (71, 32140), (142, 16070), (284, 8035), (355, 6428), (710, 3214), (1420, 1607)]