2049700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 4513600

約数和(自身を除く): 2463900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 199, 206, 398, 412, 515, 796, 995, 1030, 1990, 2060, 2575, 3980, 4975, 5150, 9950, 10300, 19900, 20497, 40994, 81988, 102485, 204970, 409940, 512425, 1024850, 2049700]

約数ペア:

[(1, 2049700), (2, 1024850), (4, 512425), (5, 409940), (10, 204970), (20, 102485), (25, 81988), (50, 40994), (100, 20497), (103, 19900), (199, 10300), (206, 9950), (398, 5150), (412, 4975), (515, 3980), (796, 2575), (995, 2060), (1030, 1990)]