385940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 846720

約数和(自身を除く): 460780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 839, 1678, 3356, 4195, 8390, 16780, 19297, 38594, 77188, 96485, 192970, 385940]

約数ペア:

[(1, 385940), (2, 192970), (4, 96485), (5, 77188), (10, 38594), (20, 19297), (23, 16780), (46, 8390), (92, 4195), (115, 3356), (230, 1678), (460, 839)]