418448440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{147341}}^1$

素因数の和:147423

約数の個数: 32

約数和(自身を含む): 954776160

約数和(自身を除く): 536327720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 147341, 294682, 589364, 736705, 1178728, 1473410, 2946820, 5893640, 10461211, 20922422, 41844844, 52306055, 83689688, 104612110, 209224220, 418448440]

約数ペア:

[(1, 418448440), (2, 209224220), (4, 104612110), (5, 83689688), (8, 52306055), (10, 41844844), (20, 20922422), (40, 10461211), (71, 5893640), (142, 2946820), (284, 1473410), (355, 1178728), (568, 736705), (710, 589364), (1420, 294682), (2840, 147341)]