8266900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 54

約数和(自身を含む): 19015710

約数和(自身を除く): 10748810

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 229, 361, 380, 458, 475, 722, 916, 950, 1145, 1444, 1805, 1900, 2290, 3610, 4351, 4580, 5725, 7220, 8702, 9025, 11450, 17404, 18050, 21755, 22900, 36100, 43510, 82669, 87020, 108775, 165338, 217550, 330676, 413345, 435100, 826690, 1653380, 2066725, 4133450, 8266900]

約数ペア:

[(1, 8266900), (2, 4133450), (4, 2066725), (5, 1653380), (10, 826690), (19, 435100), (20, 413345), (25, 330676), (38, 217550), (50, 165338), (76, 108775), (95, 87020), (100, 82669), (190, 43510), (229, 36100), (361, 22900), (380, 21755), (458, 18050), (475, 17404), (722, 11450), (916, 9025), (950, 8702), (1145, 7220), (1444, 5725), (1805, 4580), (1900, 4351), (2290, 3610)]