207972860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2411}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 461946240

約数和(自身を除く): 253973380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2270, 2411, 4313, 4540, 4822, 8626, 9644, 12055, 17252, 21565, 24110, 43130, 45809, 48220, 86260, 91618, 183236, 229045, 458090, 547297, 916180, 1094594, 2189188, 2736485, 5472970, 10398643, 10945940, 20797286, 41594572, 51993215, 103986430, 207972860]

約数ペア:

[(1, 207972860), (2, 103986430), (4, 51993215), (5, 41594572), (10, 20797286), (19, 10945940), (20, 10398643), (38, 5472970), (76, 2736485), (95, 2189188), (190, 1094594), (227, 916180), (380, 547297), (454, 458090), (908, 229045), (1135, 183236), (2270, 91618), (2411, 86260), (4313, 48220), (4540, 45809), (4822, 43130), (8626, 24110), (9644, 21565), (12055, 17252)]