2443940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 5193720

約数和(自身を除く): 2749780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1373, 1780, 2746, 5492, 6865, 13730, 27460, 122197, 244394, 488788, 610985, 1221970, 2443940]

約数ペア:

[(1, 2443940), (2, 1221970), (4, 610985), (5, 488788), (10, 244394), (20, 122197), (89, 27460), (178, 13730), (356, 6865), (445, 5492), (890, 2746), (1373, 1780)]