27656780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 62035680

約数和(自身を除く): 34378900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 997, 1387, 1460, 1994, 2774, 3988, 4985, 5548, 6935, 9970, 13870, 18943, 19940, 27740, 37886, 72781, 75772, 94715, 145562, 189430, 291124, 363905, 378860, 727810, 1382839, 1455620, 2765678, 5531356, 6914195, 13828390, 27656780]

約数ペア:

[(1, 27656780), (2, 13828390), (4, 6914195), (5, 5531356), (10, 2765678), (19, 1455620), (20, 1382839), (38, 727810), (73, 378860), (76, 363905), (95, 291124), (146, 189430), (190, 145562), (292, 94715), (365, 75772), (380, 72781), (730, 37886), (997, 27740), (1387, 19940), (1460, 18943), (1994, 13870), (2774, 9970), (3988, 6935), (4985, 5548)]